diff --git a/.flake8 b/.flake8
index e82de95a..523cb30f 100644
--- a/.flake8
+++ b/.flake8
@@ -1,6 +1,6 @@
 [flake8]
-ignore = E203,W504,W191,W503
+ignore = E203
 exclude = .git,__pycache__,orm/rbac.py
-max-complexity = 10
-max-line-length = 108
+max-complexity = 15
+max-line-length = 100
 indent-string = '  '
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index af489f3a..42569413 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -6,7 +6,7 @@ exclude: |
   )
 
 default_language_version:
-  python: python3.8
+  python: python3.10
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
@@ -17,28 +17,23 @@ repos:
       - id: check-docstring-first
       - id: check-json
       - id: check-merge-conflict
-      - id: check-toml
       - id: check-yaml
       - id: end-of-file-fixer
       - id: trailing-whitespace
 
-  - repo: https://github.com/timothycrosley/isort
-    rev: 5.5.3
-    hooks:
-      - id: isort
+#  - repo: https://github.com/timothycrosley/isort
+#    rev: 5.12.0
+#    hooks:
+#      - id: isort
 
   - repo: https://github.com/ambv/black
-    rev: 20.8b1
+    rev: 23.9.1
     hooks:
       - id: black
         args:
           - --line-length=100
-          - --skip-string-normalization
 
-  - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.3
+  - repo: https://github.com/PyCQA/flake8
+    rev: 6.1.0
     hooks:
       - id: flake8
-        args:
-          - --max-line-length=100
-          - --disable=protected-access
diff --git a/Procfile b/Procfile
index c5c1bfa8..ac9d762f 100644
--- a/Procfile
+++ b/Procfile
@@ -1,2 +1 @@
 web: python server.py
-
diff --git a/README.md b/README.md
index 1a1ee0a4..6f57e39c 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,13 @@ pip install -r requirements.txt
 python3 server.py dev
 ```
 
+# pre-commit hook
+
+```
+pip install -r requirements-dev.txt
+pre-commit install
+```
+
 # How to do an authorized request
 
 Put the header 'Authorization' with token from signIn query or registerUser mutation.
@@ -42,4 +49,3 @@ Put the header 'Authorization' with token from signIn query or registerUser muta
 # How to debug Ackee
 
 Set ACKEE_TOKEN var
-
diff --git a/ai/preprocess.py b/ai/preprocess.py
index afd8dbd8..82d06f71 100644
--- a/ai/preprocess.py
+++ b/ai/preprocess.py
@@ -1,28 +1,28 @@
-import re
-import nltk
 from bs4 import BeautifulSoup
 from nltk.corpus import stopwords
 from pymystem3 import Mystem
 from string import punctuation
-from transformers import BertTokenizer
+
+import nltk
+import re
 
 nltk.download("stopwords")
 
 
 def get_clear_text(text):
-    soup = BeautifulSoup(text, 'html.parser')
+    soup = BeautifulSoup(text, "html.parser")
 
     # extract the plain text from the HTML document without tags
-    clear_text = ''
+    clear_text = ""
     for tag in soup.find_all():
-        clear_text += tag.string or ''
+        clear_text += tag.string or ""
 
-    clear_text = re.sub(pattern='[\u202F\u00A0\n]+', repl=' ', string=clear_text)
+    clear_text = re.sub(pattern="[\u202F\u00A0\n]+", repl=" ", string=clear_text)
 
     # only words
-    clear_text = re.sub(pattern='[^A-ZА-ЯЁ -]', repl='', string=clear_text, flags=re.IGNORECASE)
+    clear_text = re.sub(pattern="[^A-ZА-ЯЁ -]", repl="", string=clear_text, flags=re.IGNORECASE)
 
-    clear_text = re.sub(pattern='\s+', repl=' ', string=clear_text)
+    clear_text = re.sub(pattern=r"\s+", repl=" ", string=clear_text)
 
     clear_text = clear_text.lower()
 
@@ -30,9 +30,11 @@ def get_clear_text(text):
     russian_stopwords = stopwords.words("russian")
 
     tokens = mystem.lemmatize(clear_text)
-    tokens = [token for token in tokens if token not in russian_stopwords \
-              and token != " " \
-              and token.strip() not in punctuation]
+    tokens = [
+        token
+        for token in tokens
+        if token not in russian_stopwords and token != " " and token.strip() not in punctuation
+    ]
 
     clear_text = " ".join(tokens)
 
diff --git a/alembic/env.py b/alembic/env.py
index c6d69a97..58e3e200 100644
--- a/alembic/env.py
+++ b/alembic/env.py
@@ -1,11 +1,8 @@
-from logging.config import fileConfig
-
-from sqlalchemy import engine_from_config
-from sqlalchemy import pool
-
 from alembic import context
-
+from base.orm import Base
+from logging.config import fileConfig
 from settings import DB_URL
+from sqlalchemy import engine_from_config, pool
 
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.
@@ -19,7 +16,6 @@ config.set_section_option(config.config_ini_section, "DB_URL", DB_URL)
 if config.config_file_name is not None:
     fileConfig(config.config_file_name)
 
-from base.orm import Base
 target_metadata = [Base.metadata]
 
 # other values from the config, defined by the needs of env.py,
@@ -66,9 +62,7 @@ def run_migrations_online() -> None:
     )
 
     with connectable.connect() as connection:
-        context.configure(
-            connection=connection, target_metadata=target_metadata
-        )
+        context.configure(connection=connection, target_metadata=target_metadata)
 
         with context.begin_transaction():
             context.run_migrations()
diff --git a/alembic/versions/fe943b098418_init_alembic.py b/alembic/versions/fe943b098418_init_alembic.py
index 4ec6d519..52796fea 100644
--- a/alembic/versions/fe943b098418_init_alembic.py
+++ b/alembic/versions/fe943b098418_init_alembic.py
@@ -1,18 +1,18 @@
 """init alembic
 
 Revision ID: fe943b098418
-Revises: 
+Revises:
 Create Date: 2023-08-19 01:37:57.031933
 
 """
 from typing import Sequence, Union
 
-from alembic import op
-import sqlalchemy as sa
+# import sqlalchemy as sa
 
+# from alembic import op
 
 # revision identifiers, used by Alembic.
-revision: str = 'fe943b098418'
+revision: str = "fe943b098418"
 down_revision: Union[str, None] = None
 branch_labels: Union[str, Sequence[str], None] = None
 depends_on: Union[str, Sequence[str], None] = None
diff --git a/auth/authenticate.py b/auth/authenticate.py
index be4db2d2..9e4c93fc 100644
--- a/auth/authenticate.py
+++ b/auth/authenticate.py
@@ -1,76 +1,70 @@
-from functools import wraps
-from typing import Optional, Tuple
-
-from graphql.type import GraphQLResolveInfo
-from sqlalchemy.orm import joinedload, exc
-from starlette.authentication import AuthenticationBackend
-from starlette.requests import HTTPConnection
-
 from auth.credentials import AuthCredentials, AuthUser
-from base.orm import local_session
-from orm.user import User, Role
-
-from settings import SESSION_TOKEN_HEADER
 from auth.tokenstorage import SessionToken
 from base.exceptions import OperationNotAllowed
+from base.orm import local_session
+from functools import wraps
+from graphql.type import GraphQLResolveInfo
+from orm.user import Role, User
+from settings import SESSION_TOKEN_HEADER
+from sqlalchemy.orm import exc, joinedload
+from starlette.authentication import AuthenticationBackend
+from starlette.requests import HTTPConnection
+from typing import Optional, Tuple
 
 
 class JWTAuthenticate(AuthenticationBackend):
     async def authenticate(
         self, request: HTTPConnection
     ) -> Optional[Tuple[AuthCredentials, AuthUser]]:
-
         if SESSION_TOKEN_HEADER not in request.headers:
-            return AuthCredentials(scopes={}), AuthUser(user_id=None, username='')
+            return AuthCredentials(scopes={}), AuthUser(user_id=None, username="")
 
         token = request.headers.get(SESSION_TOKEN_HEADER)
         if not token:
             print("[auth.authenticate] no token in header %s" % SESSION_TOKEN_HEADER)
             return AuthCredentials(scopes={}, error_message=str("no token")), AuthUser(
-                user_id=None, username=''
+                user_id=None, username=""
             )
 
-        if len(token.split('.')) > 1:
+        if len(token.split(".")) > 1:
             payload = await SessionToken.verify(token)
 
             with local_session() as session:
                 try:
                     user = (
-                        session.query(User).options(
+                        session.query(User)
+                        .options(
                             joinedload(User.roles).options(joinedload(Role.permissions)),
-                            joinedload(User.ratings)
-                        ).filter(
-                            User.id == payload.user_id
-                        ).one()
+                            joinedload(User.ratings),
+                        )
+                        .filter(User.id == payload.user_id)
+                        .one()
                     )
 
                     scopes = {}  # TODO: integrate await user.get_permission()
 
                     return (
-                        AuthCredentials(
-                            user_id=payload.user_id,
-                            scopes=scopes,
-                            logged_in=True
-                        ),
-                        AuthUser(user_id=user.id, username=''),
+                        AuthCredentials(user_id=payload.user_id, scopes=scopes, logged_in=True),
+                        AuthUser(user_id=user.id, username=""),
                     )
                 except exc.NoResultFound:
                     pass
 
-        return AuthCredentials(scopes={}, error_message=str('Invalid token')), AuthUser(user_id=None, username='')
+        return AuthCredentials(scopes={}, error_message=str("Invalid token")), AuthUser(
+            user_id=None, username=""
+        )
 
 
 def login_required(func):
     @wraps(func)
     async def wrap(parent, info: GraphQLResolveInfo, *args, **kwargs):
-        # print('[auth.authenticate] login required for %r with info %r' % (func, info))  # debug only
+        # debug only
+        # print('[auth.authenticate] login required for %r with info %r' % (func, info))
         auth: AuthCredentials = info.context["request"].auth
         # print(auth)
         if not auth or not auth.logged_in:
             # raise Unauthorized(auth.error_message or "Please login")
-            return {
-                "error": "Please login first"
-            }
+            return {"error": "Please login first"}
         return await func(parent, info, *args, **kwargs)
 
     return wrap
@@ -79,7 +73,9 @@ def login_required(func):
 def permission_required(resource, operation, func):
     @wraps(func)
     async def wrap(parent, info: GraphQLResolveInfo, *args, **kwargs):
-        print('[auth.authenticate] permission_required for %r with info %r' % (func, info))  # debug only
+        print(
+            "[auth.authenticate] permission_required for %r with info %r" % (func, info)
+        )  # debug only
         auth: AuthCredentials = info.context["request"].auth
         if not auth.logged_in:
             raise OperationNotAllowed(auth.error_message or "Please login")
diff --git a/auth/credentials.py b/auth/credentials.py
index 9045b7a4..856c2374 100644
--- a/auth/credentials.py
+++ b/auth/credentials.py
@@ -1,6 +1,5 @@
-from typing import List, Optional, Text
-
 from pydantic import BaseModel
+from typing import List, Optional, Text
 
 # from base.exceptions import Unauthorized
 
@@ -23,9 +22,7 @@ class AuthCredentials(BaseModel):
     async def permissions(self) -> List[Permission]:
         if self.user_id is None:
             # raise Unauthorized("Please login first")
-            return {
-                "error": "Please login first"
-            }
+            return {"error": "Please login first"}
         else:
             # TODO: implement permissions logix
             print(self.user_id)
diff --git a/auth/email.py b/auth/email.py
index 7ca5d9bf..faa64725 100644
--- a/auth/email.py
+++ b/auth/email.py
@@ -1,20 +1,17 @@
-import requests
-
 from settings import MAILGUN_API_KEY, MAILGUN_DOMAIN
 
-api_url = "https://api.mailgun.net/v3/%s/messages" % (MAILGUN_DOMAIN or 'discours.io')
-noreply = "discours.io <noreply@%s>" % (MAILGUN_DOMAIN or 'discours.io')
-lang_subject = {
-    "ru": "Подтверждение почты",
-    "en": "Confirm email"
-}
+import requests
+
+api_url = "https://api.mailgun.net/v3/%s/messages" % (MAILGUN_DOMAIN or "discours.io")
+noreply = "discours.io <noreply@%s>" % (MAILGUN_DOMAIN or "discours.io")
+lang_subject = {"ru": "Подтверждение почты", "en": "Confirm email"}
 
 
 async def send_auth_email(user, token, lang="ru", template="email_confirmation"):
     try:
         to = "%s <%s>" % (user.name, user.email)
-        if lang not in ['ru', 'en']:
-            lang = 'ru'
+        if lang not in ["ru", "en"]:
+            lang = "ru"
         subject = lang_subject.get(lang, lang_subject["en"])
         template = template + "_" + lang
         payload = {
@@ -22,16 +19,12 @@ async def send_auth_email(user, token, lang="ru", template="email_confirmation")
             "to": to,
             "subject": subject,
             "template": template,
-            "h:X-Mailgun-Variables": "{ \"token\": \"%s\" }" % token
+            "h:X-Mailgun-Variables": '{ "token": "%s" }' % token,
         }
-        print('[auth.email] payload: %r' % payload)
+        print("[auth.email] payload: %r" % payload)
         # debug
         # print('http://localhost:3000/?modal=auth&mode=confirm-email&token=%s' % token)
-        response = requests.post(
-            api_url,
-            auth=("api", MAILGUN_API_KEY),
-            data=payload
-        )
+        response = requests.post(api_url, auth=("api", MAILGUN_API_KEY), data=payload)
         response.raise_for_status()
     except Exception as e:
         print(e)
diff --git a/auth/identity.py b/auth/identity.py
index e4b78040..6e89079f 100644
--- a/auth/identity.py
+++ b/auth/identity.py
@@ -1,15 +1,14 @@
-from binascii import hexlify
-from hashlib import sha256
-
-from jwt import DecodeError, ExpiredSignatureError
-from passlib.hash import bcrypt
-from sqlalchemy import or_
-
 from auth.jwtcodec import JWTCodec
 from auth.tokenstorage import TokenStorage
+
 # from base.exceptions import InvalidPassword, InvalidToken
 from base.orm import local_session
+from binascii import hexlify
+from hashlib import sha256
+from jwt import DecodeError, ExpiredSignatureError
 from orm import User
+from passlib.hash import bcrypt
+from sqlalchemy import or_
 from validations.auth import AuthInput
 
 
@@ -34,6 +33,7 @@ class Password:
         Verify that password hash is equal to specified hash. Hash format:
 
         $2a$10$Ro0CUfOqk6cXEKf3dyaM7OhSCvnwM9s4wIX9JeLapehKK5YdLxKcm
+        # noqa: W605
         \__/\/ \____________________/\_____________________________/
         |   |        Salt                     Hash
         |  Cost
@@ -57,14 +57,10 @@ class Identity:
         user = User(**orm_user.dict())
         if not user.password:
             # raise InvalidPassword("User password is empty")
-            return {
-                "error": "User password is empty"
-            }
+            return {"error": "User password is empty"}
         if not Password.verify(password, user.password):
             # raise InvalidPassword("Wrong user password")
-            return {
-                "error": "Wrong user password"
-            }
+            return {"error": "Wrong user password"}
         return user
 
     @staticmethod
@@ -87,30 +83,22 @@ class Identity:
     @staticmethod
     async def onetime(token: str) -> User:
         try:
-            print('[auth.identity] using one time token')
+            print("[auth.identity] using one time token")
             payload = JWTCodec.decode(token)
             if not await TokenStorage.exist(f"{payload.user_id}-{payload.username}-{token}"):
                 # raise InvalidToken("Login token has expired, please login again")
-                return {
-                    "error": "Token has expired"
-                }
+                return {"error": "Token has expired"}
         except ExpiredSignatureError:
             # raise InvalidToken("Login token has expired, please try again")
-            return {
-                "error": "Token has expired"
-            }
+            return {"error": "Token has expired"}
         except DecodeError:
             # raise InvalidToken("token format error") from e
-            return {
-                "error": "Token format error"
-            }
+            return {"error": "Token format error"}
         with local_session() as session:
             user = session.query(User).filter_by(id=payload.user_id).first()
             if not user:
                 # raise Exception("user not exist")
-                return {
-                    "error": "User does not exist"
-                }
+                return {"error": "User does not exist"}
             if not user.emailConfirmed:
                 user.emailConfirmed = True
                 session.commit()
diff --git a/auth/jwtcodec.py b/auth/jwtcodec.py
index ac561adb..870ed540 100644
--- a/auth/jwtcodec.py
+++ b/auth/jwtcodec.py
@@ -1,8 +1,9 @@
-from datetime import datetime, timezone
-import jwt
 from base.exceptions import ExpiredToken, InvalidToken
-from validations.auth import TokenPayload, AuthInput
+from datetime import datetime, timezone
 from settings import JWT_ALGORITHM, JWT_SECRET_KEY
+from validations.auth import AuthInput, TokenPayload
+
+import jwt
 
 
 class JWTCodec:
@@ -13,12 +14,12 @@ class JWTCodec:
             "username": user.email or user.phone,
             "exp": exp,
             "iat": datetime.now(tz=timezone.utc),
-            "iss": "discours"
+            "iss": "discours",
         }
         try:
             return jwt.encode(payload, JWT_SECRET_KEY, JWT_ALGORITHM)
         except Exception as e:
-            print('[auth.jwtcodec] JWT encode error %r' % e)
+            print("[auth.jwtcodec] JWT encode error %r" % e)
 
     @staticmethod
     def decode(token: str, verify_exp: bool = True) -> TokenPayload:
@@ -33,18 +34,18 @@ class JWTCodec:
                     # "verify_signature": False
                 },
                 algorithms=[JWT_ALGORITHM],
-                issuer="discours"
+                issuer="discours",
             )
             r = TokenPayload(**payload)
             # print('[auth.jwtcodec] debug token %r' % r)
             return r
         except jwt.InvalidIssuedAtError:
-            print('[auth.jwtcodec] invalid issued at: %r' % payload)
-            raise ExpiredToken('check token issued time')
+            print("[auth.jwtcodec] invalid issued at: %r" % payload)
+            raise ExpiredToken("check token issued time")
         except jwt.ExpiredSignatureError:
-            print('[auth.jwtcodec] expired signature %r' % payload)
-            raise ExpiredToken('check token lifetime')
+            print("[auth.jwtcodec] expired signature %r" % payload)
+            raise ExpiredToken("check token lifetime")
         except jwt.InvalidTokenError:
-            raise InvalidToken('token is not valid')
+            raise InvalidToken("token is not valid")
         except jwt.InvalidSignatureError:
-            raise InvalidToken('token is not valid')
+            raise InvalidToken("token is not valid")
diff --git a/auth/oauth.py b/auth/oauth.py
index 54b5f11a..89695c72 100644
--- a/auth/oauth.py
+++ b/auth/oauth.py
@@ -1,8 +1,8 @@
-from authlib.integrations.starlette_client import OAuth
-from starlette.responses import RedirectResponse
 from auth.identity import Identity
 from auth.tokenstorage import TokenStorage
-from settings import OAUTH_CLIENTS, FRONTEND_URL
+from authlib.integrations.starlette_client import OAuth
+from settings import FRONTEND_URL, OAUTH_CLIENTS
+from starlette.responses import RedirectResponse
 
 oauth = OAuth()
 
diff --git a/auth/tokenstorage.py b/auth/tokenstorage.py
index c61aa848..79a1a9b6 100644
--- a/auth/tokenstorage.py
+++ b/auth/tokenstorage.py
@@ -1,9 +1,8 @@
-from datetime import datetime, timedelta, timezone
-
 from auth.jwtcodec import JWTCodec
-from validations.auth import AuthInput
 from base.redis import redis
-from settings import SESSION_TOKEN_LIFE_SPAN, ONETIME_TOKEN_LIFE_SPAN
+from datetime import datetime, timedelta, timezone
+from settings import ONETIME_TOKEN_LIFE_SPAN, SESSION_TOKEN_LIFE_SPAN
+from validations.auth import AuthInput
 
 
 async def save(token_key, life_span, auto_delete=True):
@@ -35,7 +34,7 @@ class SessionToken:
 class TokenStorage:
     @staticmethod
     async def get(token_key):
-        print('[tokenstorage.get] ' + token_key)
+        print("[tokenstorage.get] " + token_key)
         # 2041-user@domain.zn-eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyX2lkIjoyMDQxLCJ1c2VybmFtZSI6ImFudG9uLnJld2luK3Rlc3QtbG9hZGNoYXRAZ21haWwuY29tIiwiZXhwIjoxNjcxNzgwNjE2LCJpYXQiOjE2NjkxODg2MTYsImlzcyI6ImRpc2NvdXJzIn0.Nml4oV6iMjMmc6xwM7lTKEZJKBXvJFEIZ-Up1C1rITQ
         return await redis.execute("GET", token_key)
 
diff --git a/base/exceptions.py b/base/exceptions.py
index 1f3344e7..2cf7bdeb 100644
--- a/base/exceptions.py
+++ b/base/exceptions.py
@@ -1,8 +1,8 @@
 from graphql.error import GraphQLError
 
-
 # TODO: remove traceback from logs for defined exceptions
 
+
 class BaseHttpException(GraphQLError):
     code = 500
     message = "500 Server error"
diff --git a/base/orm.py b/base/orm.py
index 8d2e65ad..0ebb8de7 100644
--- a/base/orm.py
+++ b/base/orm.py
@@ -1,15 +1,11 @@
-from typing import TypeVar, Any, Dict, Generic, Callable
-
-from sqlalchemy import create_engine, Column, Integer
+from settings import DB_URL
+from sqlalchemy import Column, create_engine, Integer
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import Session
 from sqlalchemy.sql.schema import Table
+from typing import Any, Callable, Dict, Generic, TypeVar
 
-from settings import DB_URL
-
-engine = create_engine(
-    DB_URL, echo=False, pool_size=10, max_overflow=20
-)
+engine = create_engine(DB_URL, echo=False, pool_size=10, max_overflow=20)
 
 T = TypeVar("T")
 
@@ -47,7 +43,7 @@ class Base(declarative_base()):
 
     def update(self, input):
         column_names = self.__table__.columns.keys()
-        for (name, value) in input.items():
+        for name, value in input.items():
             if name in column_names:
                 setattr(self, name, value)
 
diff --git a/main.py b/main.py
index 6bb17a86..8c4a7670 100644
--- a/main.py
+++ b/main.py
@@ -1,28 +1,29 @@
-import asyncio
-import os
-from importlib import import_module
-from os.path import exists
 from ariadne import load_schema_from_path, make_executable_schema
 from ariadne.asgi import GraphQL
+from auth.authenticate import JWTAuthenticate
+from auth.oauth import oauth_authorize, oauth_login
+from base.redis import redis
+from base.resolvers import resolvers
+from importlib import import_module
+from orm import init_tables
+from os.path import exists
+from resolvers.auth import confirm_email_handler
+from resolvers.upload import upload_handler
+from services.main import storages_init
+from services.notifications.notification_service import notification_service
+from services.notifications.sse import sse_subscribe_handler
+from services.stat.viewed import ViewedStorage
+
+# from services.zine.gittask import GitTask
+from settings import DEV_SERVER_PID_FILE_NAME, SENTRY_DSN, SESSION_SECRET_KEY
 from starlette.applications import Starlette
 from starlette.middleware import Middleware
 from starlette.middleware.authentication import AuthenticationMiddleware
 from starlette.middleware.sessions import SessionMiddleware
 from starlette.routing import Route
-from orm import init_tables
 
-from auth.authenticate import JWTAuthenticate
-from auth.oauth import oauth_login, oauth_authorize
-from base.redis import redis
-from base.resolvers import resolvers
-from resolvers.auth import confirm_email_handler
-from resolvers.upload import upload_handler
-from services.main import storages_init
-from services.notifications.notification_service import notification_service
-from services.stat.viewed import ViewedStorage
-# from services.zine.gittask import GitTask
-from settings import DEV_SERVER_PID_FILE_NAME, SENTRY_DSN, SESSION_SECRET_KEY
-from services.notifications.sse import sse_subscribe_handler
+import asyncio
+import os
 
 import_module("resolvers")
 schema = make_executable_schema(load_schema_from_path("schema.graphql"), resolvers)  # type: ignore
@@ -46,9 +47,10 @@ async def start_up():
 
     try:
         import sentry_sdk
+
         sentry_sdk.init(SENTRY_DSN)
     except Exception as e:
-        print('[sentry] init error')
+        print("[sentry] init error")
         print(e)
 
 
@@ -57,7 +59,7 @@ async def dev_start_up():
         await redis.connect()
         return
     else:
-        with open(DEV_SERVER_PID_FILE_NAME, 'w', encoding='utf-8') as f:
+        with open(DEV_SERVER_PID_FILE_NAME, "w", encoding="utf-8") as f:
             f.write(str(os.getpid()))
 
     await start_up()
@@ -72,7 +74,7 @@ routes = [
     Route("/oauth/{provider}", endpoint=oauth_login),
     Route("/oauth-authorize", endpoint=oauth_authorize),
     Route("/confirm/{token}", endpoint=confirm_email_handler),
-    Route("/upload", endpoint=upload_handler, methods=['POST']),
+    Route("/upload", endpoint=upload_handler, methods=["POST"]),
     Route("/subscribe/{user_id}", endpoint=sse_subscribe_handler),
 ]
 
@@ -82,9 +84,7 @@ app = Starlette(
     middleware=middleware,
     routes=routes,
 )
-app.mount("/", GraphQL(
-    schema
-))
+app.mount("/", GraphQL(schema))
 
 dev_app = Starlette(
     debug=True,
@@ -93,7 +93,4 @@ dev_app = Starlette(
     middleware=middleware,
     routes=routes,
 )
-dev_app.mount("/", GraphQL(
-    schema,
-    debug=True
-))
+dev_app.mount("/", GraphQL(schema, debug=True))
diff --git a/migrate.sh b/migrate.sh
index 2c1189da..f63aac19 100644
--- a/migrate.sh
+++ b/migrate.sh
@@ -16,4 +16,3 @@ echo "Start migration"
 python3 server.py migrate
 if [ $? -ne 0 ]; then { echo "Migration failed, aborting." ; exit 1; } fi
 echo 'Done!'
-
diff --git a/migration/__init__.py b/migration/__init__.py
index 468fa886..bf1ba8d8 100644
--- a/migration/__init__.py
+++ b/migration/__init__.py
@@ -1,24 +1,25 @@
 """ cmd managed migration """
-import asyncio
-import gc
-import json
-import sys
 from datetime import datetime, timezone
-
-import bs4
-
 from migration.export import export_mdx
 from migration.tables.comments import migrate as migrateComment
 from migration.tables.comments import migrate_2stage as migrateComment_2stage
 from migration.tables.content_items import get_shout_slug
 from migration.tables.content_items import migrate as migrateShout
-from migration.tables.remarks import migrate as migrateRemark
+
+# from migration.tables.remarks import migrate as migrateRemark
 from migration.tables.topics import migrate as migrateTopic
-from migration.tables.users import migrate as migrateUser, post_migrate as users_post_migrate
+from migration.tables.users import migrate as migrateUser
 from migration.tables.users import migrate_2stage as migrateUser_2stage
+from migration.tables.users import post_migrate as users_post_migrate
 from orm import init_tables
 from orm.reaction import Reaction
 
+import asyncio
+import bs4
+import gc
+import json
+import sys
+
 TODAY = datetime.strftime(datetime.now(tz=timezone.utc), "%Y%m%d")
 OLD_DATE = "2016-03-05 22:22:00.350000"
 
@@ -63,16 +64,8 @@ async def topics_handle(storage):
             del storage["topics"]["by_slug"][oldslug]
             storage["topics"]["by_oid"][oid] = storage["topics"]["by_slug"][newslug]
     print("[migration] " + str(counter) + " topics migrated")
-    print(
-        "[migration] "
-        + str(len(storage["topics"]["by_oid"].values()))
-        + " topics by oid"
-    )
-    print(
-        "[migration] "
-        + str(len(storage["topics"]["by_slug"].values()))
-        + " topics by slug"
-    )
+    print("[migration] " + str(len(storage["topics"]["by_oid"].values())) + " topics by oid")
+    print("[migration] " + str(len(storage["topics"]["by_slug"].values())) + " topics by slug")
 
 
 async def shouts_handle(storage, args):
@@ -117,9 +110,10 @@ async def shouts_handle(storage, args):
 
             # print main counter
             counter += 1
-            print('[migration] shouts_handle %d: %s @%s' % (
-                (counter + 1), shout_dict["slug"], author["slug"]
-            ))
+            print(
+                "[migration] shouts_handle %d: %s @%s"
+                % ((counter + 1), shout_dict["slug"], author["slug"])
+            )
 
             b = bs4.BeautifulSoup(shout_dict["body"], "html.parser")
             texts = [shout_dict["title"].lower().replace(r"[^а-яА-Яa-zA-Z]", "")]
@@ -138,13 +132,13 @@ async def shouts_handle(storage, args):
     print("[migration] " + str(anonymous_author) + " authored by @anonymous")
 
 
-async def remarks_handle(storage):
-    print("[migration] comments")
-    c = 0
-    for entry_remark in storage["remarks"]["data"]:
-        remark = await migrateRemark(entry_remark, storage)
-        c += 1
-    print("[migration] " + str(c) + " remarks migrated")
+# async def remarks_handle(storage):
+#     print("[migration] comments")
+#     c = 0
+#     for entry_remark in storage["remarks"]["data"]:
+#         remark = await migrateRemark(entry_remark, storage)
+#         c += 1
+#     print("[migration] " + str(c) + " remarks migrated")
 
 
 async def comments_handle(storage):
@@ -155,9 +149,9 @@ async def comments_handle(storage):
     for oldcomment in storage["reactions"]["data"]:
         if not oldcomment.get("deleted"):
             reaction = await migrateComment(oldcomment, storage)
-            if type(reaction) == str:
+            if isinstance(reaction, str):
                 missed_shouts[reaction] = oldcomment
-            elif type(reaction) == Reaction:
+            elif isinstance(reaction, Reaction):
                 reaction = reaction.dict()
                 rid = reaction["id"]
                 oid = reaction["oid"]
@@ -214,9 +208,7 @@ def data_load():
         tags_data = json.loads(open("migration/data/tags.json").read())
         storage["topics"]["tags"] = tags_data
         print("[migration.load] " + str(len(tags_data)) + " tags ")
-        cats_data = json.loads(
-            open("migration/data/content_item_categories.json").read()
-        )
+        cats_data = json.loads(open("migration/data/content_item_categories.json").read())
         storage["topics"]["cats"] = cats_data
         print("[migration.load] " + str(len(cats_data)) + " cats ")
         comments_data = json.loads(open("migration/data/comments.json").read())
@@ -235,11 +227,7 @@ def data_load():
             storage["users"]["by_oid"][x["_id"]] = x
             # storage['users']['by_slug'][x['slug']] = x
         # no user.slug yet
-        print(
-            "[migration.load] "
-            + str(len(storage["users"]["by_oid"].keys()))
-            + " users by oid"
-        )
+        print("[migration.load] " + str(len(storage["users"]["by_oid"].keys())) + " users by oid")
         for x in tags_data:
             storage["topics"]["by_oid"][x["_id"]] = x
             storage["topics"]["by_slug"][x["slug"]] = x
@@ -247,9 +235,7 @@ def data_load():
             storage["topics"]["by_oid"][x["_id"]] = x
             storage["topics"]["by_slug"][x["slug"]] = x
         print(
-            "[migration.load] "
-            + str(len(storage["topics"]["by_slug"].keys()))
-            + " topics by slug"
+            "[migration.load] " + str(len(storage["topics"]["by_slug"].keys())) + " topics by slug"
         )
         for item in content_data:
             slug = get_shout_slug(item)
diff --git a/migration/bson2json.py b/migration/bson2json.py
index 03effe19..66507791 100644
--- a/migration/bson2json.py
+++ b/migration/bson2json.py
@@ -1,9 +1,9 @@
-import json
-import os
+from .utils import DateTimeEncoder
 
 import bson
 import gc
-from .utils import DateTimeEncoder
+import json
+import os
 
 
 def json_tables():
@@ -15,10 +15,10 @@ def json_tables():
         "email_subscriptions": [],
         "users": [],
         "comments": [],
-        "remarks": []
+        "remarks": [],
     }
     for table in data.keys():
-        print('[migration] bson2json for ' + table)
+        print("[migration] bson2json for " + table)
         gc.collect()
         lc = []
         bs = open("dump/discours/" + table + ".bson", "rb").read()
diff --git a/migration/export.py b/migration/export.py
index 102cfb14..4105a220 100644
--- a/migration/export.py
+++ b/migration/export.py
@@ -1,11 +1,10 @@
-import json
-import os
+from .extract import extract_html, extract_media
+from .utils import DateTimeEncoder
 from datetime import datetime, timezone
 
 import frontmatter
-
-from .extract import extract_html, extract_media
-from .utils import DateTimeEncoder
+import json
+import os
 
 OLD_DATE = "2016-03-05 22:22:00.350000"
 EXPORT_DEST = "../discoursio-web/data/"
@@ -71,47 +70,29 @@ def export_slug(slug, storage):
 
 
 def export_email_subscriptions():
-    email_subscriptions_data = json.loads(
-        open("migration/data/email_subscriptions.json").read()
-    )
+    email_subscriptions_data = json.loads(open("migration/data/email_subscriptions.json").read())
     for data in email_subscriptions_data:
         # TODO: migrate to mailgun list manually
         # migrate_email_subscription(data)
         pass
-    print(
-        "[migration] "
-        + str(len(email_subscriptions_data))
-        + " email subscriptions exported"
-    )
+    print("[migration] " + str(len(email_subscriptions_data)) + " email subscriptions exported")
 
 
 def export_shouts(storage):
     # update what was just migrated or load json again
     if len(storage["users"]["by_slugs"].keys()) == 0:
-        storage["users"]["by_slugs"] = json.loads(
-            open(EXPORT_DEST + "authors.json").read()
-        )
-        print(
-            "[migration] "
-            + str(len(storage["users"]["by_slugs"].keys()))
-            + " exported authors "
-        )
+        storage["users"]["by_slugs"] = json.loads(open(EXPORT_DEST + "authors.json").read())
+        print("[migration] " + str(len(storage["users"]["by_slugs"].keys())) + " exported authors ")
     if len(storage["shouts"]["by_slugs"].keys()) == 0:
-        storage["shouts"]["by_slugs"] = json.loads(
-            open(EXPORT_DEST + "articles.json").read()
-        )
+        storage["shouts"]["by_slugs"] = json.loads(open(EXPORT_DEST + "articles.json").read())
         print(
-            "[migration] "
-            + str(len(storage["shouts"]["by_slugs"].keys()))
-            + " exported articles "
+            "[migration] " + str(len(storage["shouts"]["by_slugs"].keys())) + " exported articles "
         )
     for slug in storage["shouts"]["by_slugs"].keys():
         export_slug(slug, storage)
 
 
-def export_json(
-    export_articles={}, export_authors={}, export_topics={}, export_comments={}
-):
+def export_json(export_articles={}, export_authors={}, export_topics={}, export_comments={}):
     open(EXPORT_DEST + "authors.json", "w").write(
         json.dumps(
             export_authors,
@@ -152,8 +133,4 @@ def export_json(
             ensure_ascii=False,
         )
     )
-    print(
-        "[migration] "
-        + str(len(export_comments.items()))
-        + " exported articles with comments"
-    )
+    print("[migration] " + str(len(export_comments.items())) + " exported articles with comments")
diff --git a/migration/extract.py b/migration/extract.py
index fcd293e6..eca8f8d0 100644
--- a/migration/extract.py
+++ b/migration/extract.py
@@ -1,9 +1,10 @@
+from bs4 import BeautifulSoup
+
 import base64
 import os
 import re
-import uuid
 
-from bs4 import BeautifulSoup
+# import uuid
 
 
 TOOLTIP_REGEX = r"(\/\/\/(.+)\/\/\/)"
@@ -27,37 +28,40 @@ def replace_tooltips(body):
     return newbody
 
 
-
-def extract_footnotes(body, shout_dict):
-    parts = body.split("&&&")
-    lll = len(parts)
-    newparts = list(parts)
-    placed = False
-    if lll & 1:
-        if lll > 1:
-            i = 1
-            print("[extract] found %d footnotes in body" % (lll - 1))
-            for part in parts[1:]:
-                if i & 1:
-                    placed = True
-                    if 'a class="footnote-url" href=' in part:
-                        print("[extract] footnote: " + part)
-                        fn = 'a class="footnote-url" href="'
-                        exxtracted_link = part.split(fn, 1)[1].split('"', 1)[0]
-                        extracted_body = part.split(fn, 1)[1].split('>', 1)[1].split('</a>', 1)[0]
-                        print("[extract] footnote link: " + extracted_link)
-                        with local_session() as session:
-                            Reaction.create({
-                                "shout": shout_dict['id'],
-                                "kind": ReactionKind.FOOTNOTE,
-                                "body": extracted_body,
-                                "range": str(body.index(fn + link) - len('<')) + ':' + str(body.index(extracted_body) + len('</a>'))
-                            })
-                        newparts[i] = "<a href='#'>ℹ️</a>"
-                else:
-                    newparts[i] = part
-                i += 1
-    return ("".join(newparts), placed)
+# def extract_footnotes(body, shout_dict):
+#     parts = body.split("&&&")
+#     lll = len(parts)
+#     newparts = list(parts)
+#     placed = False
+#     if lll & 1:
+#         if lll > 1:
+#             i = 1
+#             print("[extract] found %d footnotes in body" % (lll - 1))
+#             for part in parts[1:]:
+#                 if i & 1:
+#                     placed = True
+#                     if 'a class="footnote-url" href=' in part:
+#                         print("[extract] footnote: " + part)
+#                         fn = 'a class="footnote-url" href="'
+#                         # exxtracted_link = part.split(fn, 1)[1].split('"', 1)[0]
+#                         extracted_body = part.split(fn, 1)[1].split(">", 1)[1].split("</a>", 1)[0]
+#                         print("[extract] footnote link: " + extracted_link)
+#                         with local_session() as session:
+#                             Reaction.create(
+#                                 {
+#                                     "shout": shout_dict["id"],
+#                                     "kind": ReactionKind.FOOTNOTE,
+#                                     "body": extracted_body,
+#                                     "range": str(body.index(fn + link) - len("<"))
+#                                     + ":"
+#                                     + str(body.index(extracted_body) + len("</a>")),
+#                                 }
+#                             )
+#                         newparts[i] = "<a href='#'>ℹ️</a>"
+#                 else:
+#                     newparts[i] = part
+#                 i += 1
+#     return ("".join(newparts), placed)
 
 
 def place_tooltips(body):
@@ -76,9 +80,7 @@ def place_tooltips(body):
                         print("[extract] footnote: " + part)
                         fn = 'a class="footnote-url" href="'
                         link = part.split(fn, 1)[1].split('"', 1)[0]
-                        extracted_part = (
-                            part.split(fn, 1)[0] + " " + part.split("/", 1)[-1]
-                        )
+                        extracted_part = part.split(fn, 1)[0] + " " + part.split("/", 1)[-1]
                         newparts[i] = (
                             "<Tooltip"
                             + (' link="' + link + '" ' if link else "")
@@ -96,7 +98,9 @@ def place_tooltips(body):
     return ("".join(newparts), placed)
 
 
-IMG_REGEX = r"\!\[(.*?)\]\((data\:image\/(png|jpeg|jpg);base64\,((?:[A-Za-z\d+\/]{4})*(?:[A-Za-z\d+\/]{3}="
+IMG_REGEX = (
+    r"\!\[(.*?)\]\((data\:image\/(png|jpeg|jpg);base64\,((?:[A-Za-z\d+\/]{4})*(?:[A-Za-z\d+\/]{3}="
+)
 IMG_REGEX += r"|[A-Za-z\d+\/]{2}==)))\)"
 
 parentDir = "/".join(os.getcwd().split("/")[:-1])
@@ -159,11 +163,7 @@ def extract_imageparts(bodyparts, prefix):
                     try:
                         content = base64.b64decode(b64encoded + "==")
                         open(public + link, "wb").write(content)
-                        print(
-                            "[extract] "
-                            + str(len(content))
-                            + " image bytes been written"
-                        )
+                        print("[extract] " + str(len(content)) + " image bytes been written")
                         cache[b64encoded] = name
                     except Exception:
                         raise Exception
@@ -172,18 +172,11 @@ def extract_imageparts(bodyparts, prefix):
                     print("[extract] cached link " + cache[b64encoded])
                     name = cache[b64encoded]
                     link = cdn + "/upload/image-" + name + "." + ext
-                newparts[i] = (
-                    current[: -len(mime)]
-                    + current[-len(mime) :]
-                    + link
-                    + next[-b64end:]
-                )
+                newparts[i] = current[: -len(mime)] + current[-len(mime) :] + link + next[-b64end:]
                 newparts[i + 1] = next[:-b64end]
                 break
     return (
-        extract_imageparts(
-            newparts[i] + newparts[i + 1] + b64.join(bodyparts[(i + 2) :]), prefix
-        )
+        extract_imageparts(newparts[i] + newparts[i + 1] + b64.join(bodyparts[(i + 2) :]), prefix)
         if len(bodyparts) > (i + 1)
         else "".join(newparts)
     )
@@ -237,7 +230,6 @@ di = "data:image"
 
 
 def extract_md_images(body, prefix):
-    newbody = ""
     body = (
         body.replace("\n! [](" + di, "\n ![](" + di)
         .replace("\n[](" + di, "\n![](" + di)
@@ -245,10 +237,10 @@ def extract_md_images(body, prefix):
     )
     parts = body.split(di)
     if len(parts) > 1:
-        newbody = extract_dataimages(parts, prefix)
+        new_body = extract_dataimages(parts, prefix)
     else:
-        newbody = body
-    return newbody
+        new_body = body
+    return new_body
 
 
 def cleanup_md(body):
@@ -271,29 +263,28 @@ def cleanup_md(body):
     return newbody
 
 
-def extract_md(body, shout_dict = None):
-    newbody = body
-    if newbody:
-        newbody = cleanup_md(newbody)
-        if not newbody:
-            raise Exception("cleanup error")
-
-        if shout_dict:
-
-            uid = shout_dict['id'] or uuid.uuid4()
-            newbody = extract_md_images(newbody, uid)
-            if not newbody:
-                raise Exception("extract_images error")
-
-            newbody, placed = extract_footnotes(body, shout_dict)
-            if not newbody:
-                raise Exception("extract_footnotes error")
-
-    return newbody
+# def extract_md(body, shout_dict=None):
+#     newbody = body
+#     if newbody:
+#         newbody = cleanup_md(newbody)
+#         if not newbody:
+#             raise Exception("cleanup error")
+#
+#         if shout_dict:
+#             uid = shout_dict["id"] or uuid.uuid4()
+#             newbody = extract_md_images(newbody, uid)
+#             if not newbody:
+#                 raise Exception("extract_images error")
+#
+#             newbody, placed = extract_footnotes(body, shout_dict)
+#             if not newbody:
+#                 raise Exception("extract_footnotes error")
+#
+#     return newbody
 
 
 def extract_media(entry):
-    ''' normalized media extraction method '''
+    """normalized media extraction method"""
     # media [ { title pic url body } ]}
     kind = entry.get("type")
     if not kind:
@@ -323,12 +314,7 @@ def extract_media(entry):
                 url = "https://vimeo.com/" + m["vimeoId"]
         # body
         body = m.get("body") or m.get("literatureBody") or ""
-        media.append({
-            "url": url,
-            "pic": pic,
-            "title": title,
-            "body": body
-        })
+        media.append({"url": url, "pic": pic, "title": title, "body": body})
     return media
 
 
@@ -398,9 +384,7 @@ def cleanup_html(body: str) -> str:
         r"<h4>\s*</h4>",
         r"<div>\s*</div>",
     ]
-    regex_replace = {
-        r"<br>\s*</p>": "</p>"
-    }
+    regex_replace = {r"<br>\s*</p>": "</p>"}
     changed = True
     while changed:
         # we need several iterations to clean nested tags this way
@@ -414,16 +398,15 @@ def cleanup_html(body: str) -> str:
             changed = True
     return new_body
 
-def extract_html(entry, shout_id = None, cleanup=False):
-    body_orig = (entry.get("body") or "").replace('\(', '(').replace('\)', ')')
+
+def extract_html(entry, cleanup=False):
+    body_orig = (entry.get("body") or "").replace(r"\(", "(").replace(r"\)", ")")
     if cleanup:
         # we do that before bs parsing to catch the invalid html
         body_clean = cleanup_html(body_orig)
         if body_clean != body_orig:
             print(f"[migration] html cleaned for slug {entry.get('slug', None)}")
         body_orig = body_clean
-    if shout_id:
-        extract_footnotes(body_orig, shout_id)
     body_html = str(BeautifulSoup(body_orig, features="html.parser"))
     if cleanup:
         # we do that after bs parsing because it can add dummy tags
diff --git a/migration/html2text/__init__.py b/migration/html2text/__init__.py
index 1090025c..c99afc59 100644
--- a/migration/html2text/__init__.py
+++ b/migration/html2text/__init__.py
@@ -1,13 +1,5 @@
 """html2text: Turn HTML into equivalent Markdown-structured text."""
 
-import html.entities
-import html.parser
-import re
-import string
-import urllib.parse as urlparse
-from textwrap import wrap
-from typing import Dict, List, Optional, Tuple, Union
-
 from . import config
 from .elements import AnchorElement, ListElement
 from .typing import OutCallback
@@ -26,6 +18,14 @@ from .utils import (
     skipwrap,
     unifiable_n,
 )
+from textwrap import wrap
+from typing import Dict, List, Optional, Tuple, Union
+
+import html.entities
+import html.parser
+import re
+import string
+import urllib.parse as urlparse
 
 __version__ = (2020, 1, 16)
 
@@ -119,9 +119,7 @@ class HTML2Text(html.parser.HTMLParser):
         self.lastWasList = False
         self.style = 0
         self.style_def = {}  # type: Dict[str, Dict[str, str]]
-        self.tag_stack = (
-            []
-        )  # type: List[Tuple[str, Dict[str, Optional[str]], Dict[str, str]]]
+        self.tag_stack = []  # type: List[Tuple[str, Dict[str, Optional[str]], Dict[str, str]]]
         self.emphasis = 0
         self.drop_white_space = 0
         self.inheader = False
@@ -300,9 +298,7 @@ class HTML2Text(html.parser.HTMLParser):
             if strikethrough:
                 self.quiet -= 1
 
-    def handle_tag(
-        self, tag: str, attrs: Dict[str, Optional[str]], start: bool
-    ) -> None:
+    def handle_tag(self, tag: str, attrs: Dict[str, Optional[str]], start: bool) -> None:
         self.current_tag = tag
 
         if self.tag_callback is not None:
@@ -333,9 +329,7 @@ class HTML2Text(html.parser.HTMLParser):
                 tag_style = element_style(attrs, self.style_def, parent_style)
                 self.tag_stack.append((tag, attrs, tag_style))
             else:
-                dummy, attrs, tag_style = (
-                    self.tag_stack.pop() if self.tag_stack else (None, {}, {})
-                )
+                dummy, attrs, tag_style = self.tag_stack.pop() if self.tag_stack else (None, {}, {})
                 if self.tag_stack:
                     parent_style = self.tag_stack[-1][2]
 
@@ -385,11 +379,7 @@ class HTML2Text(html.parser.HTMLParser):
                 ):
                     self.o("`")  # NOTE: same as <code>
                     self.span_highlight = True
-                elif (
-                    self.current_class == "lead"
-                    and not self.inheader
-                    and not self.span_highlight
-                ):
+                elif self.current_class == "lead" and not self.inheader and not self.span_highlight:
                     # self.o("==") # NOTE:  CriticMarkup {==
                     self.span_lead = True
             else:
@@ -479,11 +469,7 @@ class HTML2Text(html.parser.HTMLParser):
                 and not self.span_lead
                 and not self.span_highlight
             ):
-                if (
-                    start
-                    and self.preceding_data
-                    and self.preceding_data[-1] == self.strong_mark[0]
-                ):
+                if start and self.preceding_data and self.preceding_data[-1] == self.strong_mark[0]:
                     strong = " " + self.strong_mark
                     self.preceding_data += " "
                 else:
@@ -548,13 +534,8 @@ class HTML2Text(html.parser.HTMLParser):
                         "href" in attrs
                         and not attrs["href"].startswith("#_ftn")
                         and attrs["href"] is not None
-                        and not (
-                            self.skip_internal_links and attrs["href"].startswith("#")
-                        )
-                        and not (
-                            self.ignore_mailto_links
-                            and attrs["href"].startswith("mailto:")
-                        )
+                        and not (self.skip_internal_links and attrs["href"].startswith("#"))
+                        and not (self.ignore_mailto_links and attrs["href"].startswith("mailto:"))
                     ):
                         self.astack.append(attrs)
                         self.maybe_automatic_link = attrs["href"]
@@ -638,9 +619,7 @@ class HTML2Text(html.parser.HTMLParser):
                     self.o("![" + escape_md(alt) + "]")
                     if self.inline_links:
                         href = attrs.get("href") or ""
-                        self.o(
-                            "(" + escape_md(urlparse.urljoin(self.baseurl, href)) + ")"
-                        )
+                        self.o("(" + escape_md(urlparse.urljoin(self.baseurl, href)) + ")")
                     else:
                         i = self.previousIndex(attrs)
                         if i is not None:
@@ -696,9 +675,7 @@ class HTML2Text(html.parser.HTMLParser):
                     # WARNING: does not line up <ol><li>s > 9 correctly.
                     parent_list = None
                     for list in self.list:
-                        self.o(
-                            "   " if parent_list == "ol" and list.name == "ul" else "  "
-                        )
+                        self.o("   " if parent_list == "ol" and list.name == "ul" else "  ")
                         parent_list = list.name
 
                 if li.name == "ul":
@@ -787,9 +764,7 @@ class HTML2Text(html.parser.HTMLParser):
         self.pbr()
         self.br_toggle = "  "
 
-    def o(
-        self, data: str, puredata: bool = False, force: Union[bool, str] = False
-    ) -> None:
+    def o(self, data: str, puredata: bool = False, force: Union[bool, str] = False) -> None:
         """
         Deal with indentation and whitespace
         """
@@ -864,9 +839,7 @@ class HTML2Text(html.parser.HTMLParser):
                     self.out(" ")
                 self.space = False
 
-            if self.a and (
-                (self.p_p == 2 and self.links_each_paragraph) or force == "end"
-            ):
+            if self.a and ((self.p_p == 2 and self.links_each_paragraph) or force == "end"):
                 if force == "end":
                     self.out("\n")
 
@@ -925,11 +898,7 @@ class HTML2Text(html.parser.HTMLParser):
 
         if self.maybe_automatic_link is not None:
             href = self.maybe_automatic_link
-            if (
-                href == data
-                and self.absolute_url_matcher.match(href)
-                and self.use_automatic_links
-            ):
+            if href == data and self.absolute_url_matcher.match(href) and self.use_automatic_links:
                 self.o("<" + data + ">")
                 self.empty_link = False
                 return
@@ -1000,9 +969,7 @@ class HTML2Text(html.parser.HTMLParser):
             self.inline_links = False
         for para in text.split("\n"):
             if len(para) > 0:
-                if not skipwrap(
-                    para, self.wrap_links, self.wrap_list_items, self.wrap_tables
-                ):
+                if not skipwrap(para, self.wrap_links, self.wrap_list_items, self.wrap_tables):
                     indent = ""
                     if para.startswith("  " + self.ul_item_mark):
                         # list item continuation: add a double indent to the
@@ -1043,9 +1010,7 @@ class HTML2Text(html.parser.HTMLParser):
         return result
 
 
-def html2text(
-    html: str, baseurl: str = "", bodywidth: Optional[int] = config.BODY_WIDTH
-) -> str:
+def html2text(html: str, baseurl: str = "", bodywidth: Optional[int] = config.BODY_WIDTH) -> str:
     h = html.strip() or ""
     if h:
         h = HTML2Text(baseurl=baseurl, bodywidth=bodywidth)
diff --git a/migration/html2text/cli.py b/migration/html2text/cli.py
index dbaba28b..f6cf3c57 100644
--- a/migration/html2text/cli.py
+++ b/migration/html2text/cli.py
@@ -1,8 +1,8 @@
+from . import __version__, config, HTML2Text
+
 import argparse
 import sys
 
-from . import HTML2Text, __version__, config
-
 
 # noinspection DuplicatedCode
 def main() -> None:
@@ -117,10 +117,7 @@ def main() -> None:
         dest="images_with_size",
         action="store_true",
         default=config.IMAGES_WITH_SIZE,
-        help=(
-            "Write image tags with height and width attrs as raw html to retain "
-            "dimensions"
-        ),
+        help=("Write image tags with height and width attrs as raw html to retain " "dimensions"),
     )
     p.add_argument(
         "-g",
@@ -260,9 +257,7 @@ def main() -> None:
         default=config.CLOSE_QUOTE,
         help="The character used to close quotes",
     )
-    p.add_argument(
-        "--version", action="version", version=".".join(map(str, __version__))
-    )
+    p.add_argument("--version", action="version", version=".".join(map(str, __version__)))
     p.add_argument("filename", nargs="?")
     p.add_argument("encoding", nargs="?", default="utf-8")
     args = p.parse_args()
diff --git a/migration/html2text/utils.py b/migration/html2text/utils.py
index 1cf22b52..545bbd17 100644
--- a/migration/html2text/utils.py
+++ b/migration/html2text/utils.py
@@ -1,12 +1,10 @@
-import html.entities
+from . import config
 from typing import Dict, List, Optional
 
-from . import config
+import html.entities
 
 unifiable_n = {
-    html.entities.name2codepoint[k]: v
-    for k, v in config.UNIFIABLE.items()
-    if k != "nbsp"
+    html.entities.name2codepoint[k]: v for k, v in config.UNIFIABLE.items() if k != "nbsp"
 }
 
 
@@ -156,9 +154,7 @@ def list_numbering_start(attrs: Dict[str, Optional[str]]) -> int:
     return 0
 
 
-def skipwrap(
-    para: str, wrap_links: bool, wrap_list_items: bool, wrap_tables: bool
-) -> bool:
+def skipwrap(para: str, wrap_links: bool, wrap_list_items: bool, wrap_tables: bool) -> bool:
     # If it appears to contain a link
     # don't wrap
     if not wrap_links and config.RE_LINK.search(para):
@@ -236,9 +232,7 @@ def reformat_table(lines: List[str], right_margin: int) -> List[str]:
             max_width += [len(x) + right_margin for x in cols[-(num_cols - max_cols) :]]
             max_cols = num_cols
 
-        max_width = [
-            max(len(x) + right_margin, old_len) for x, old_len in zip(cols, max_width)
-        ]
+        max_width = [max(len(x) + right_margin, old_len) for x, old_len in zip(cols, max_width)]
 
     # reformat
     new_lines = []
@@ -247,15 +241,13 @@ def reformat_table(lines: List[str], right_margin: int) -> List[str]:
         if set(line.strip()) == set("-|"):
             filler = "-"
             new_cols = [
-                x.rstrip() + (filler * (M - len(x.rstrip())))
-                for x, M in zip(cols, max_width)
+                x.rstrip() + (filler * (M - len(x.rstrip()))) for x, M in zip(cols, max_width)
             ]
             new_lines.append("|-" + "|".join(new_cols) + "|")
         else:
             filler = " "
             new_cols = [
-                x.rstrip() + (filler * (M - len(x.rstrip())))
-                for x, M in zip(cols, max_width)
+                x.rstrip() + (filler * (M - len(x.rstrip()))) for x, M in zip(cols, max_width)
             ]
             new_lines.append("| " + "|".join(new_cols) + "|")
     return new_lines
diff --git a/migration/tables/comments.py b/migration/tables/comments.py
index 82e32924..13d2809d 100644
--- a/migration/tables/comments.py
+++ b/migration/tables/comments.py
@@ -1,65 +1,50 @@
-from datetime import datetime, timezone
-
-from dateutil.parser import parse as date_parse
-
 from base.orm import local_session
+from datetime import datetime, timezone
+from dateutil.parser import parse as date_parse
 from migration.html2text import html2text
 from orm.reaction import Reaction, ReactionKind
-from orm.shout import ShoutReactionsFollower
+from orm.shout import Shout, ShoutReactionsFollower
 from orm.topic import TopicFollower
 from orm.user import User
-from orm.shout import Shout
 
 ts = datetime.now(tz=timezone.utc)
 
 
 def auto_followers(session, topics, reaction_dict):
     # creating shout's reactions following for reaction author
-    following1 = session.query(
-        ShoutReactionsFollower
-    ).where(
-        ShoutReactionsFollower.follower == reaction_dict["createdBy"]
-    ).filter(
-        ShoutReactionsFollower.shout == reaction_dict["shout"]
-    ).first()
+    following1 = (
+        session.query(ShoutReactionsFollower)
+        .where(ShoutReactionsFollower.follower == reaction_dict["createdBy"])
+        .filter(ShoutReactionsFollower.shout == reaction_dict["shout"])
+        .first()
+    )
     if not following1:
         following1 = ShoutReactionsFollower.create(
-            follower=reaction_dict["createdBy"],
-            shout=reaction_dict["shout"],
-            auto=True
+            follower=reaction_dict["createdBy"], shout=reaction_dict["shout"], auto=True
         )
         session.add(following1)
     # creating topics followings for reaction author
     for t in topics:
-        tf = session.query(
-            TopicFollower
-        ).where(
-            TopicFollower.follower == reaction_dict["createdBy"]
-        ).filter(
-            TopicFollower.topic == t['id']
-        ).first()
+        tf = (
+            session.query(TopicFollower)
+            .where(TopicFollower.follower == reaction_dict["createdBy"])
+            .filter(TopicFollower.topic == t["id"])
+            .first()
+        )
         if not tf:
             topic_following = TopicFollower.create(
-                follower=reaction_dict["createdBy"],
-                topic=t['id'],
-                auto=True
+                follower=reaction_dict["createdBy"], topic=t["id"], auto=True
             )
             session.add(topic_following)
 
 
 def migrate_ratings(session, entry, reaction_dict):
     for comment_rating_old in entry.get("ratings", []):
-        rater = (
-            session.query(User)
-            .filter(User.oid == comment_rating_old["createdBy"])
-            .first()
-        )
+        rater = session.query(User).filter(User.oid == comment_rating_old["createdBy"]).first()
         re_reaction_dict = {
             "shout": reaction_dict["shout"],
             "replyTo": reaction_dict["id"],
-            "kind": ReactionKind.LIKE
-            if comment_rating_old["value"] > 0
-            else ReactionKind.DISLIKE,
+            "kind": ReactionKind.LIKE if comment_rating_old["value"] > 0 else ReactionKind.DISLIKE,
             "createdBy": rater.id if rater else 1,
         }
         cts = comment_rating_old.get("createdAt")
@@ -68,18 +53,15 @@ def migrate_ratings(session, entry, reaction_dict):
         try:
             # creating reaction from old rating
             rr = Reaction.create(**re_reaction_dict)
-            following2 = session.query(
-                ShoutReactionsFollower
-            ).where(
-                ShoutReactionsFollower.follower == re_reaction_dict['createdBy']
-            ).filter(
-                ShoutReactionsFollower.shout == rr.shout
-            ).first()
+            following2 = (
+                session.query(ShoutReactionsFollower)
+                .where(ShoutReactionsFollower.follower == re_reaction_dict["createdBy"])
+                .filter(ShoutReactionsFollower.shout == rr.shout)
+                .first()
+            )
             if not following2:
                 following2 = ShoutReactionsFollower.create(
-                    follower=re_reaction_dict['createdBy'],
-                    shout=rr.shout,
-                    auto=True
+                    follower=re_reaction_dict["createdBy"], shout=rr.shout, auto=True
                 )
                 session.add(following2)
             session.add(rr)
@@ -150,9 +132,7 @@ async def migrate(entry, storage):
             else:
                 stage = "author and old id found"
                 try:
-                    shout = session.query(
-                        Shout
-                    ).where(Shout.slug == old_shout["slug"]).one()
+                    shout = session.query(Shout).where(Shout.slug == old_shout["slug"]).one()
                     if shout:
                         reaction_dict["shout"] = shout.id
                         reaction_dict["createdBy"] = author.id if author else 1
@@ -178,9 +158,9 @@ async def migrate(entry, storage):
 
 
 def migrate_2stage(old_comment, idmap):
-    if old_comment.get('body'):
-        new_id = idmap.get(old_comment.get('oid'))
-        new_id = idmap.get(old_comment.get('_id'))
+    if old_comment.get("body"):
+        new_id = idmap.get(old_comment.get("oid"))
+        new_id = idmap.get(old_comment.get("_id"))
         if new_id:
             new_replyto_id = None
             old_replyto_id = old_comment.get("replyTo")
@@ -190,17 +170,20 @@ def migrate_2stage(old_comment, idmap):
                 comment = session.query(Reaction).where(Reaction.id == new_id).first()
                 try:
                     if new_replyto_id:
-                        new_reply = session.query(Reaction).where(Reaction.id == new_replyto_id).first()
+                        new_reply = (
+                            session.query(Reaction).where(Reaction.id == new_replyto_id).first()
+                        )
                         if not new_reply:
                             print(new_replyto_id)
                             raise Exception("cannot find reply by id!")
                         comment.replyTo = new_reply.id
                         session.add(comment)
-                    srf = session.query(ShoutReactionsFollower).where(
-                        ShoutReactionsFollower.shout == comment.shout
-                    ).filter(
-                        ShoutReactionsFollower.follower == comment.createdBy
-                    ).first()
+                    srf = (
+                        session.query(ShoutReactionsFollower)
+                        .where(ShoutReactionsFollower.shout == comment.shout)
+                        .filter(ShoutReactionsFollower.follower == comment.createdBy)
+                        .first()
+                    )
                     if not srf:
                         srf = ShoutReactionsFollower.create(
                             shout=comment.shout, follower=comment.createdBy, auto=True
diff --git a/migration/tables/content_items.py b/migration/tables/content_items.py
index a2297d98..053a8a97 100644
--- a/migration/tables/content_items.py
+++ b/migration/tables/content_items.py
@@ -1,15 +1,16 @@
-from datetime import datetime, timezone
-import json
-from dateutil.parser import parse as date_parse
-from sqlalchemy.exc import IntegrityError
-from transliterate import translit
 from base.orm import local_session
+from datetime import datetime, timezone
+from dateutil.parser import parse as date_parse
 from migration.extract import extract_html, extract_media
 from orm.reaction import Reaction, ReactionKind
-from orm.shout import Shout, ShoutTopic, ShoutReactionsFollower
+from orm.shout import Shout, ShoutReactionsFollower, ShoutTopic
+from orm.topic import Topic, TopicFollower
 from orm.user import User
-from orm.topic import TopicFollower, Topic
 from services.stat.viewed import ViewedStorage
+from sqlalchemy.exc import IntegrityError
+from transliterate import translit
+
+import json
 import re
 
 OLD_DATE = "2016-03-05 22:22:00.350000"
@@ -33,7 +34,7 @@ def get_shout_slug(entry):
             slug = friend.get("slug", "")
             if slug:
                 break
-    slug = re.sub('[^0-9a-zA-Z]+', '-', slug)
+    slug = re.sub("[^0-9a-zA-Z]+", "-", slug)
     return slug
 
 
@@ -41,27 +42,27 @@ def create_author_from_app(app):
     user = None
     userdata = None
     # check if email is used
-    if app['email']:
+    if app["email"]:
         with local_session() as session:
-            user = session.query(User).where(User.email == app['email']).first()
+            user = session.query(User).where(User.email == app["email"]).first()
             if not user:
                 # print('[migration] app %r' % app)
-                name = app.get('name')
+                name = app.get("name")
                 if name:
                     slug = translit(name, "ru", reversed=True).lower()
-                    slug = re.sub('[^0-9a-zA-Z]+', '-', slug)
-                    print('[migration] created slug %s' % slug)
+                    slug = re.sub("[^0-9a-zA-Z]+", "-", slug)
+                    print("[migration] created slug %s" % slug)
                     # check if slug is used
                     if slug:
                         user = session.query(User).where(User.slug == slug).first()
 
                         # get slug from email
                         if user:
-                            slug = app['email'].split('@')[0]
+                            slug = app["email"].split("@")[0]
                             user = session.query(User).where(User.slug == slug).first()
                             # one more try
                             if user:
-                                slug += '-author'
+                                slug += "-author"
                                 user = session.query(User).where(User.slug == slug).first()
 
                 # create user with application data
@@ -79,7 +80,7 @@ def create_author_from_app(app):
                     user = User.create(**userdata)
                     session.add(user)
                     session.commit()
-                    userdata['id'] = user.id
+                    userdata["id"] = user.id
 
             userdata = user.dict()
         return userdata
@@ -91,11 +92,12 @@ async def create_shout(shout_dict):
     s = Shout.create(**shout_dict)
     author = s.authors[0]
     with local_session() as session:
-        srf = session.query(ShoutReactionsFollower).where(
-            ShoutReactionsFollower.shout == s.id
-        ).filter(
-            ShoutReactionsFollower.follower == author.id
-        ).first()
+        srf = (
+            session.query(ShoutReactionsFollower)
+            .where(ShoutReactionsFollower.shout == s.id)
+            .filter(ShoutReactionsFollower.follower == author.id)
+            .first()
+        )
         if not srf:
             srf = ShoutReactionsFollower.create(shout=s.id, follower=author.id, auto=True)
             session.add(srf)
@@ -116,14 +118,14 @@ async def get_user(entry, storage):
         elif user_oid:
             userdata = storage["users"]["by_oid"].get(user_oid)
         if not userdata:
-            print('no userdata by oid, anonymous')
+            print("no userdata by oid, anonymous")
             userdata = anondict
             print(app)
     # cleanup slug
     if userdata:
         slug = userdata.get("slug", "")
         if slug:
-            slug = re.sub('[^0-9a-zA-Z]+', '-', slug)
+            slug = re.sub("[^0-9a-zA-Z]+", "-", slug)
             userdata["slug"] = slug
     else:
         userdata = anondict
@@ -137,11 +139,14 @@ async def migrate(entry, storage):
     r = {
         "layout": type2layout[entry["type"]],
         "title": entry["title"],
-        "authors": [author, ],
+        "authors": [
+            author,
+        ],
         "slug": get_shout_slug(entry),
         "cover": (
-            "https://images.discours.io/unsafe/" +
-            entry["thumborId"] if entry.get("thumborId") else entry.get("image", {}).get("url")
+            "https://images.discours.io/unsafe/" + entry["thumborId"]
+            if entry.get("thumborId")
+            else entry.get("image", {}).get("url")
         ),
         "visibility": "public" if entry.get("published") else "community",
         "publishedAt": date_parse(entry.get("publishedAt")) if entry.get("published") else None,
@@ -150,11 +155,11 @@ async def migrate(entry, storage):
         "updatedAt": date_parse(entry["updatedAt"]) if "updatedAt" in entry else ts,
         "createdBy": author.id,
         "topics": await add_topics_follower(entry, storage, author),
-        "body": extract_html(entry, cleanup=True)
+        "body": extract_html(entry, cleanup=True),
     }
 
     # main topic patch
-    r['mainTopic'] = r['topics'][0]
+    r["mainTopic"] = r["topics"][0]
 
     # published author auto-confirm
     if entry.get("published"):
@@ -177,14 +182,16 @@ async def migrate(entry, storage):
         shout_dict["oid"] = entry.get("_id", "")
         shout = await create_shout(shout_dict)
     except IntegrityError as e:
-        print('[migration] create_shout integrity error', e)
+        print("[migration] create_shout integrity error", e)
         shout = await resolve_create_shout(shout_dict)
     except Exception as e:
         raise Exception(e)
 
     # udpate data
     shout_dict = shout.dict()
-    shout_dict["authors"] = [author.dict(), ]
+    shout_dict["authors"] = [
+        author.dict(),
+    ]
 
     # shout topics aftermath
     shout_dict["topics"] = await topics_aftermath(r, storage)
@@ -193,7 +200,9 @@ async def migrate(entry, storage):
     await content_ratings_to_reactions(entry, shout_dict["slug"])
 
     # shout views
-    await ViewedStorage.increment(shout_dict["slug"], amount=entry.get("views", 1), viewer='old-discours')
+    await ViewedStorage.increment(
+        shout_dict["slug"], amount=entry.get("views", 1), viewer="old-discours"
+    )
     # del shout_dict['ratings']
 
     storage["shouts"]["by_oid"][entry["_id"]] = shout_dict
@@ -205,7 +214,9 @@ async def add_topics_follower(entry, storage, user):
     topics = set([])
     category = entry.get("category")
     topics_by_oid = storage["topics"]["by_oid"]
-    oids = [category, ] + entry.get("tags", [])
+    oids = [
+        category,
+    ] + entry.get("tags", [])
     for toid in oids:
         tslug = topics_by_oid.get(toid, {}).get("slug")
         if tslug:
@@ -217,23 +228,18 @@ async def add_topics_follower(entry, storage, user):
             try:
                 tpc = session.query(Topic).where(Topic.slug == tpcslug).first()
                 if tpc:
-                    tf = session.query(
-                        TopicFollower
-                    ).where(
-                        TopicFollower.follower == user.id
-                    ).filter(
-                        TopicFollower.topic == tpc.id
-                    ).first()
+                    tf = (
+                        session.query(TopicFollower)
+                        .where(TopicFollower.follower == user.id)
+                        .filter(TopicFollower.topic == tpc.id)
+                        .first()
+                    )
                     if not tf:
-                        tf = TopicFollower.create(
-                            topic=tpc.id,
-                            follower=user.id,
-                            auto=True
-                        )
+                        tf = TopicFollower.create(topic=tpc.id, follower=user.id, auto=True)
                         session.add(tf)
                         session.commit()
             except IntegrityError:
-                print('[migration.shout] hidden by topic ' + tpc.slug)
+                print("[migration.shout] hidden by topic " + tpc.slug)
     # main topic
     maintopic = storage["replacements"].get(topics_by_oid.get(category, {}).get("slug"))
     if maintopic in ttt:
@@ -254,7 +260,7 @@ async def process_user(userdata, storage, oid):
         if not user:
             try:
                 slug = userdata["slug"].lower().strip()
-                slug = re.sub('[^0-9a-zA-Z]+', '-', slug)
+                slug = re.sub("[^0-9a-zA-Z]+", "-", slug)
                 userdata["slug"] = slug
                 user = User.create(**userdata)
                 session.add(user)
@@ -282,9 +288,9 @@ async def resolve_create_shout(shout_dict):
         s = session.query(Shout).filter(Shout.slug == shout_dict["slug"]).first()
         bump = False
         if s:
-            if s.createdAt != shout_dict['createdAt']:
+            if s.createdAt != shout_dict["createdAt"]:
                 # create new with different slug
-                shout_dict["slug"] += '-' + shout_dict["layout"]
+                shout_dict["slug"] += "-" + shout_dict["layout"]
                 try:
                     await create_shout(shout_dict)
                 except IntegrityError as e:
@@ -295,10 +301,7 @@ async def resolve_create_shout(shout_dict):
                 for key in shout_dict:
                     if key in s.__dict__:
                         if s.__dict__[key] != shout_dict[key]:
-                            print(
-                                "[migration] shout already exists, but differs in %s"
-                                % key
-                            )
+                            print("[migration] shout already exists, but differs in %s" % key)
                             bump = True
                     else:
                         print("[migration] shout already exists, but lacks %s" % key)
@@ -344,9 +347,7 @@ async def topics_aftermath(entry, storage):
                     )
                     if not shout_topic_new:
                         try:
-                            ShoutTopic.create(
-                                **{"shout": shout.id, "topic": new_topic.id}
-                            )
+                            ShoutTopic.create(**{"shout": shout.id, "topic": new_topic.id})
                         except Exception:
                             print("[migration] shout topic error: " + newslug)
                 session.commit()
@@ -363,9 +364,7 @@ async def content_ratings_to_reactions(entry, slug):
         with local_session() as session:
             for content_rating in entry.get("ratings", []):
                 rater = (
-                    session.query(User)
-                    .filter(User.oid == content_rating["createdBy"])
-                    .first()
+                    session.query(User).filter(User.oid == content_rating["createdBy"]).first()
                 ) or User.default_user
                 shout = session.query(Shout).where(Shout.slug == slug).first()
                 cts = content_rating.get("createdAt")
@@ -375,7 +374,7 @@ async def content_ratings_to_reactions(entry, slug):
                     if content_rating["value"] > 0
                     else ReactionKind.DISLIKE,
                     "createdBy": rater.id,
-                    "shout": shout.id
+                    "shout": shout.id,
                 }
                 reaction = (
                     session.query(Reaction)
diff --git a/migration/tables/remarks.py b/migration/tables/remarks.py
index 026b95c6..e133050f 100644
--- a/migration/tables/remarks.py
+++ b/migration/tables/remarks.py
@@ -5,34 +5,26 @@ from orm.reaction import Reaction, ReactionKind
 
 
 def migrate(entry, storage):
-    post_oid = entry['contentItem']
+    post_oid = entry["contentItem"]
     print(post_oid)
-    shout_dict = storage['shouts']['by_oid'].get(post_oid)
+    shout_dict = storage["shouts"]["by_oid"].get(post_oid)
     if shout_dict:
-        print(shout_dict['body'])
+        print(shout_dict["body"])
         remark = {
-            "shout": shout_dict['id'],
-            "body": extract_md(
-                html2text(entry['body']),
-                shout_dict
-            ),
-            "kind": ReactionKind.REMARK
+            "shout": shout_dict["id"],
+            "body": extract_md(html2text(entry["body"]), shout_dict),
+            "kind": ReactionKind.REMARK,
         }
 
-        if entry.get('textBefore'):
-            remark['range'] = str(
-                    shout_dict['body']
-                        .index(
-                            entry['textBefore'] or ''
-                        )
-                ) + ':' + str(
-                    shout_dict['body']
-                        .index(
-                            entry['textAfter'] or ''
-                        ) + len(
-                            entry['textAfter'] or ''
-                        )
+        if entry.get("textBefore"):
+            remark["range"] = (
+                str(shout_dict["body"].index(entry["textBefore"] or ""))
+                + ":"
+                + str(
+                    shout_dict["body"].index(entry["textAfter"] or "")
+                    + len(entry["textAfter"] or "")
                 )
+            )
 
         with local_session() as session:
             rmrk = Reaction.create(**remark)
diff --git a/migration/tables/topics.py b/migration/tables/topics.py
index 17804376..ae9ddbda 100644
--- a/migration/tables/topics.py
+++ b/migration/tables/topics.py
@@ -10,7 +10,7 @@ def migrate(entry):
         "slug": entry["slug"],
         "oid": entry["_id"],
         "title": entry["title"].replace("&nbsp;", " "),
-        "body": extract_md(html2text(body_orig))
+        "body": extract_md(html2text(body_orig)),
     }
 
     with local_session() as session:
diff --git a/migration/tables/users.py b/migration/tables/users.py
index 3ccf9029..40c80f21 100644
--- a/migration/tables/users.py
+++ b/migration/tables/users.py
@@ -1,11 +1,10 @@
-import re
-
+from base.orm import local_session
 from bs4 import BeautifulSoup
 from dateutil.parser import parse
+from orm.user import AuthorFollower, User, UserRating
 from sqlalchemy.exc import IntegrityError
 
-from base.orm import local_session
-from orm.user import AuthorFollower, User, UserRating
+import re
 
 
 def migrate(entry):
@@ -23,7 +22,7 @@ def migrate(entry):
         "muted": False,  # amnesty
         "links": [],
         "name": "anonymous",
-        "password": entry["services"]["password"].get("bcrypt")
+        "password": entry["services"]["password"].get("bcrypt"),
     }
 
     if "updatedAt" in entry:
@@ -33,9 +32,13 @@ def migrate(entry):
     if entry.get("profile"):
         # slug
         slug = entry["profile"].get("path").lower()
-        slug = re.sub('[^0-9a-zA-Z]+', '-', slug).strip()
+        slug = re.sub("[^0-9a-zA-Z]+", "-", slug).strip()
         user_dict["slug"] = slug
-        bio = (entry.get("profile", {"bio": ""}).get("bio") or "").replace('\(', '(').replace('\)', ')')
+        bio = (
+            (entry.get("profile", {"bio": ""}).get("bio") or "")
+            .replace(r"\(", "(")
+            .replace(r"\)", ")")
+        )
         bio_text = BeautifulSoup(bio, features="lxml").text
 
         if len(bio_text) > 120:
@@ -46,8 +49,7 @@ def migrate(entry):
         # userpic
         try:
             user_dict["userpic"] = (
-                "https://images.discours.io/unsafe/"
-                + entry["profile"]["thumborId"]
+                "https://images.discours.io/unsafe/" + entry["profile"]["thumborId"]
             )
         except KeyError:
             try:
@@ -62,11 +64,7 @@ def migrate(entry):
         name = (name + " " + ln) if ln else name
         if not name:
             name = slug if slug else "anonymous"
-        name = (
-            entry["profile"]["path"].lower().strip().replace(" ", "-")
-            if len(name) < 2
-            else name
-        )
+        name = entry["profile"]["path"].lower().strip().replace(" ", "-") if len(name) < 2 else name
         user_dict["name"] = name
 
         # links
@@ -95,9 +93,7 @@ def migrate(entry):
     except IntegrityError:
         print("[migration] cannot create user " + user_dict["slug"])
         with local_session() as session:
-            old_user = (
-                session.query(User).filter(User.slug == user_dict["slug"]).first()
-            )
+            old_user = session.query(User).filter(User.slug == user_dict["slug"]).first()
             old_user.oid = oid
             old_user.password = user_dict["password"]
             session.commit()
@@ -114,7 +110,7 @@ def post_migrate():
         "slug": "old-discours",
         "username": "old-discours",
         "email": "old@discours.io",
-        "name": "Просмотры на старой версии сайта"
+        "name": "Просмотры на старой версии сайта",
     }
 
     with local_session() as session:
@@ -147,12 +143,8 @@ def migrate_2stage(entry, id_map):
                 }
 
                 user_rating = UserRating.create(**user_rating_dict)
-                if user_rating_dict['value'] > 0:
-                    af = AuthorFollower.create(
-                        author=user.id,
-                        follower=rater.id,
-                        auto=True
-                    )
+                if user_rating_dict["value"] > 0:
+                    af = AuthorFollower.create(author=user.id, follower=rater.id, auto=True)
                     session.add(af)
                 session.add(user_rating)
                 session.commit()
diff --git a/orm/__init__.py b/orm/__init__.py
index 53b13951..9f66f85c 100644
--- a/orm/__init__.py
+++ b/orm/__init__.py
@@ -1,7 +1,7 @@
 from base.orm import Base, engine
 from orm.community import Community
 from orm.notification import Notification
-from orm.rbac import Operation, Resource, Permission, Role
+from orm.rbac import Operation, Permission, Resource, Role
 from orm.reaction import Reaction
 from orm.shout import Shout
 from orm.topic import Topic, TopicFollower
@@ -32,5 +32,5 @@ __all__ = [
     "Notification",
     "Reaction",
     "UserRating",
-    "init_tables"
+    "init_tables",
 ]
diff --git a/orm/collection.py b/orm/collection.py
index c9975b62..1c432727 100644
--- a/orm/collection.py
+++ b/orm/collection.py
@@ -1,8 +1,6 @@
-from datetime import datetime
-
-from sqlalchemy import Column, DateTime, ForeignKey, String
-
 from base.orm import Base
+from datetime import datetime
+from sqlalchemy import Column, DateTime, ForeignKey, String
 
 
 class ShoutCollection(Base):
diff --git a/orm/community.py b/orm/community.py
index b55b857f..c31732a0 100644
--- a/orm/community.py
+++ b/orm/community.py
@@ -1,7 +1,6 @@
-from datetime import datetime
-
-from sqlalchemy import Column, String, ForeignKey, DateTime
 from base.orm import Base, local_session
+from datetime import datetime
+from sqlalchemy import Column, DateTime, ForeignKey, String
 
 
 class CommunityFollower(Base):
@@ -10,9 +9,7 @@ class CommunityFollower(Base):
     id = None  # type: ignore
     follower = Column(ForeignKey("user.id"), primary_key=True)
     community = Column(ForeignKey("community.id"), primary_key=True)
-    joinedAt = Column(
-        DateTime, nullable=False, default=datetime.now, comment="Created at"
-    )
+    joinedAt = Column(DateTime, nullable=False, default=datetime.now, comment="Created at")
     # role = Column(ForeignKey(Role.id), nullable=False, comment="Role for member")
 
 
@@ -23,19 +20,15 @@ class Community(Base):
     slug = Column(String, nullable=False, unique=True, comment="Slug")
     desc = Column(String, nullable=False, default="")
     pic = Column(String, nullable=False, default="")
-    createdAt = Column(
-        DateTime, nullable=False, default=datetime.now, comment="Created at"
-    )
+    createdAt = Column(DateTime, nullable=False, default=datetime.now, comment="Created at")
 
     @staticmethod
     def init_table():
         with local_session() as session:
-            d = (
-                session.query(Community).filter(Community.slug == "discours").first()
-            )
+            d = session.query(Community).filter(Community.slug == "discours").first()
             if not d:
                 d = Community.create(name="Дискурс", slug="discours")
                 session.add(d)
                 session.commit()
             Community.default_community = d
-            print('[orm] default community id: %s' % d.id)
+            print("[orm] default community id: %s" % d.id)
diff --git a/orm/notification.py b/orm/notification.py
index 25f4e4f3..2fdc9d5d 100644
--- a/orm/notification.py
+++ b/orm/notification.py
@@ -1,9 +1,8 @@
-from datetime import datetime
-from sqlalchemy import Column, Enum, ForeignKey, DateTime, Boolean, Integer
-from sqlalchemy.dialects.postgresql import JSONB
-
 from base.orm import Base
+from datetime import datetime
 from enum import Enum as Enumeration
+from sqlalchemy import Boolean, Column, DateTime, Enum, ForeignKey, Integer
+from sqlalchemy.dialects.postgresql import JSONB
 
 
 class NotificationType(Enumeration):
diff --git a/orm/rbac.py b/orm/rbac.py
index 29ade72e..bb7eb34b 100644
--- a/orm/rbac.py
+++ b/orm/rbac.py
@@ -1,9 +1,8 @@
-import warnings
-
-from sqlalchemy import String, Column, ForeignKey, UniqueConstraint, TypeDecorator
+from base.orm import Base, local_session, REGISTRY
+from sqlalchemy import Column, ForeignKey, String, TypeDecorator, UniqueConstraint
 from sqlalchemy.orm import relationship
 
-from base.orm import Base, REGISTRY, engine, local_session
+import warnings
 
 # Role Based Access Control #
 
@@ -121,16 +120,23 @@ class Operation(Base):
 
 class Resource(Base):
     __tablename__ = "resource"
-    resourceClass = Column(
-        String, nullable=False, unique=True, comment="Resource class"
-    )
+    resourceClass = Column(String, nullable=False, unique=True, comment="Resource class")
     name = Column(String, nullable=False, unique=True, comment="Resource name")
     # TODO: community = Column(ForeignKey())
 
     @staticmethod
     def init_table():
         with local_session() as session:
-            for res in ["shout", "topic", "reaction", "chat", "message", "invite", "community", "user"]:
+            for res in [
+                "shout",
+                "topic",
+                "reaction",
+                "chat",
+                "message",
+                "invite",
+                "community",
+                "user",
+            ]:
                 r = session.query(Resource).filter(Resource.name == res).first()
                 if not r:
                     r = Resource.create(name=res, resourceClass=res)
@@ -145,9 +151,7 @@ class Permission(Base):
         {"extend_existing": True},
     )
 
-    role = Column(
-        ForeignKey("role.id", ondelete="CASCADE"), nullable=False, comment="Role"
-    )
+    role = Column(ForeignKey("role.id", ondelete="CASCADE"), nullable=False, comment="Role")
     operation = Column(
         ForeignKey("operation.id", ondelete="CASCADE"),
         nullable=False,
@@ -160,14 +164,14 @@ class Permission(Base):
     )
 
 
-if __name__ == "__main__":
-    Base.metadata.create_all(engine)
-    ops = [
-        Permission(role=1, operation=1, resource=1),
-        Permission(role=1, operation=2, resource=1),
-        Permission(role=1, operation=3, resource=1),
-        Permission(role=1, operation=4, resource=1),
-        Permission(role=2, operation=4, resource=1),
-    ]
-    global_session.add_all(ops)
-    global_session.commit()
+# if __name__ == "__main__":
+#     Base.metadata.create_all(engine)
+#     ops = [
+#         Permission(role=1, operation=1, resource=1),
+#         Permission(role=1, operation=2, resource=1),
+#         Permission(role=1, operation=3, resource=1),
+#         Permission(role=1, operation=4, resource=1),
+#         Permission(role=2, operation=4, resource=1),
+#     ]
+#     global_session.add_all(ops)
+#     global_session.commit()
diff --git a/orm/reaction.py b/orm/reaction.py
index 1c129e23..89fed9eb 100644
--- a/orm/reaction.py
+++ b/orm/reaction.py
@@ -1,10 +1,8 @@
+from base.orm import Base
 from datetime import datetime
 from enum import Enum as Enumeration
-
 from sqlalchemy import Column, DateTime, Enum, ForeignKey, String
 
-from base.orm import Base
-
 
 class ReactionKind(Enumeration):
     AGREE = 1  # +1
@@ -27,18 +25,14 @@ class ReactionKind(Enumeration):
 class Reaction(Base):
     __tablename__ = "reaction"
     body = Column(String, nullable=True, comment="Reaction Body")
-    createdAt = Column(
-        DateTime, nullable=False, default=datetime.now, comment="Created at"
-    )
+    createdAt = Column(DateTime, nullable=False, default=datetime.now, comment="Created at")
     createdBy = Column(ForeignKey("user.id"), nullable=False, index=True, comment="Sender")
     updatedAt = Column(DateTime, nullable=True, comment="Updated at")
     updatedBy = Column(ForeignKey("user.id"), nullable=True, index=True, comment="Last Editor")
     deletedAt = Column(DateTime, nullable=True, comment="Deleted at")
     deletedBy = Column(ForeignKey("user.id"), nullable=True, index=True, comment="Deleted by")
     shout = Column(ForeignKey("shout.id"), nullable=False, index=True)
-    replyTo = Column(
-        ForeignKey("reaction.id"), nullable=True, comment="Reply to reaction ID"
-    )
+    replyTo = Column(ForeignKey("reaction.id"), nullable=True, comment="Reply to reaction ID")
     range = Column(String, nullable=True, comment="Range in format <start index>:<end>")
     kind = Column(Enum(ReactionKind), nullable=False, comment="Reaction kind")
     oid = Column(String, nullable=True, comment="Old ID")
diff --git a/orm/shout.py b/orm/shout.py
index 22381d4c..7a77b66c 100644
--- a/orm/shout.py
+++ b/orm/shout.py
@@ -1,12 +1,10 @@
-from datetime import datetime
-
-from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Integer, String, JSON
-from sqlalchemy.orm import column_property, relationship
-
 from base.orm import Base, local_session
+from datetime import datetime
 from orm.reaction import Reaction
 from orm.topic import Topic
 from orm.user import User
+from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Integer, JSON, String
+from sqlalchemy.orm import column_property, relationship
 
 
 class ShoutTopic(Base):
@@ -24,9 +22,7 @@ class ShoutReactionsFollower(Base):
     follower = Column(ForeignKey("user.id"), primary_key=True, index=True)
     shout = Column(ForeignKey("shout.id"), primary_key=True, index=True)
     auto = Column(Boolean, nullable=False, default=False)
-    createdAt = Column(
-        DateTime, nullable=False, default=datetime.now, comment="Created at"
-    )
+    createdAt = Column(DateTime, nullable=False, default=datetime.now, comment="Created at")
     deletedAt = Column(DateTime, nullable=True)
 
 
@@ -72,7 +68,7 @@ class Shout(Base):
 
     # TODO: these field should be used or modified
     community = Column(ForeignKey("community.id"), default=1)
-    lang = Column(String, nullable=False, default='ru', comment="Language")
+    lang = Column(String, nullable=False, default="ru", comment="Language")
     mainTopic = Column(ForeignKey("topic.slug"), nullable=True)
     visibility = Column(String, nullable=True)  # owner authors community public
     versionOf = Column(ForeignKey("shout.id"), nullable=True)
@@ -87,7 +83,7 @@ class Shout(Base):
                     "slug": "genesis-block",
                     "body": "",
                     "title": "Ничего",
-                    "lang": "ru"
+                    "lang": "ru",
                 }
                 s = Shout.create(**entry)
                 session.add(s)
diff --git a/orm/topic.py b/orm/topic.py
index a37dc69a..6da93732 100644
--- a/orm/topic.py
+++ b/orm/topic.py
@@ -1,8 +1,6 @@
-from datetime import datetime
-
-from sqlalchemy import Boolean, Column, DateTime, ForeignKey, String
-
 from base.orm import Base
+from datetime import datetime
+from sqlalchemy import Boolean, Column, DateTime, ForeignKey, String
 
 
 class TopicFollower(Base):
@@ -11,9 +9,7 @@ class TopicFollower(Base):
     id = None  # type: ignore
     follower = Column(ForeignKey("user.id"), primary_key=True, index=True)
     topic = Column(ForeignKey("topic.id"), primary_key=True, index=True)
-    createdAt = Column(
-        DateTime, nullable=False, default=datetime.now, comment="Created at"
-    )
+    createdAt = Column(DateTime, nullable=False, default=datetime.now, comment="Created at")
     auto = Column(Boolean, nullable=False, default=False)
 
 
@@ -24,7 +20,5 @@ class Topic(Base):
     title = Column(String, nullable=False, comment="Title")
     body = Column(String, nullable=True, comment="Body")
     pic = Column(String, nullable=True, comment="Picture")
-    community = Column(
-        ForeignKey("community.id"), default=1, comment="Community"
-    )
+    community = Column(ForeignKey("community.id"), default=1, comment="Community")
     oid = Column(String, nullable=True, comment="Old ID")
diff --git a/orm/user.py b/orm/user.py
index 5aeab90e..d76c4627 100644
--- a/orm/user.py
+++ b/orm/user.py
@@ -1,10 +1,10 @@
-from datetime import datetime
-
-from sqlalchemy import JSON as JSONType
-from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Integer, String
-from sqlalchemy.orm import relationship
 from base.orm import Base, local_session
+from datetime import datetime
 from orm.rbac import Role
+from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Integer
+from sqlalchemy import JSON as JSONType
+from sqlalchemy import String
+from sqlalchemy.orm import relationship
 
 
 class UserRating(Base):
@@ -34,9 +34,7 @@ class AuthorFollower(Base):
     id = None  # type: ignore
     follower = Column(ForeignKey("user.id"), primary_key=True, index=True)
     author = Column(ForeignKey("user.id"), primary_key=True, index=True)
-    createdAt = Column(
-        DateTime, nullable=False, default=datetime.now, comment="Created at"
-    )
+    createdAt = Column(DateTime, nullable=False, default=datetime.now, comment="Created at")
     auto = Column(Boolean, nullable=False, default=False)
 
 
@@ -54,12 +52,8 @@ class User(Base):
     slug = Column(String, unique=True, comment="User's slug")
     muted = Column(Boolean, default=False)
     emailConfirmed = Column(Boolean, default=False)
-    createdAt = Column(
-        DateTime, nullable=False, default=datetime.now, comment="Created at"
-    )
-    lastSeen = Column(
-        DateTime, nullable=False, default=datetime.now, comment="Was online at"
-    )
+    createdAt = Column(DateTime, nullable=False, default=datetime.now, comment="Created at")
+    lastSeen = Column(DateTime, nullable=False, default=datetime.now, comment="Was online at")
     deletedAt = Column(DateTime, nullable=True, comment="Deleted at")
     links = Column(JSONType, nullable=True, comment="Links")
     oauth = Column(String, nullable=True)
diff --git a/requirements-dev.txt b/requirements-dev.txt
index d221f3b0..31fbe456 100755
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,3 +2,5 @@ isort
 brunette
 flake8
 mypy
+pre-commit
+black
diff --git a/requirements.txt b/requirements.txt
index edbf46ff..a919e623 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,15 +18,12 @@ transliterate~=1.10.2
 requests~=2.28.1
 bcrypt>=4.0.0
 bson~=0.5.10
-flake8
 DateTime~=4.7
 asyncio~=3.4.3
 python-dateutil~=2.8.2
 beautifulsoup4~=4.11.1
 lxml
 sentry-sdk>=1.14.0
-# sse_starlette
-graphql-ws
 nltk~=3.8.1
 pymystem3~=0.2.0
 transformers~=4.28.1
diff --git a/resetdb.sh b/resetdb.sh
index 39b3b9b2..40ba2e37 100755
--- a/resetdb.sh
+++ b/resetdb.sh
@@ -53,4 +53,3 @@ echo "Start migration"
 python3 server.py migrate
 if [ $? -ne 0 ]; then { echo "Migration failed, aborting." ; exit 1; } fi
 echo 'Done!'
-
diff --git a/resolvers/__init__.py b/resolvers/__init__.py
deleted file mode 100644
index 5d753ac4..00000000
--- a/resolvers/__init__.py
+++ /dev/null
@@ -1,67 +0,0 @@
-from resolvers.auth import (
-    login,
-    sign_out,
-    is_email_used,
-    register_by_email,
-    confirm_email,
-    auth_send_link,
-    get_current_user,
-)
-
-from resolvers.create.migrate import markdown_body
-from resolvers.create.editor import create_shout, delete_shout, update_shout
-
-from resolvers.zine.profile import (
-    load_authors_by,
-    rate_user,
-    update_profile,
-    get_authors_all
-)
-
-from resolvers.zine.reactions import (
-    create_reaction,
-    delete_reaction,
-    update_reaction,
-    reactions_unfollow,
-    reactions_follow,
-    load_reactions_by
-)
-from resolvers.zine.topics import (
-    topic_follow,
-    topic_unfollow,
-    topics_by_author,
-    topics_by_community,
-    topics_all,
-    get_topic
-)
-
-from resolvers.zine.following import (
-    follow,
-    unfollow
-)
-
-from resolvers.zine.load import (
-    load_shout,
-    load_shouts_by
-)
-
-from resolvers.inbox.chats import (
-    create_chat,
-    delete_chat,
-    update_chat
-
-)
-from resolvers.inbox.messages import (
-    create_message,
-    delete_message,
-    update_message,
-    mark_as_read
-)
-from resolvers.inbox.load import (
-    load_chats,
-    load_messages_by,
-    load_recipients
-)
-from resolvers.inbox.search import search_recipients
-
-from resolvers.notifications import load_notifications
diff --git a/resolvers/auth.py b/resolvers/auth.py
index 17369b7a..3ba15d9d 100644
--- a/resolvers/auth.py
+++ b/resolvers/auth.py
@@ -1,24 +1,29 @@
 # -*- coding: utf-8 -*-
 
-from datetime import datetime, timezone
-from urllib.parse import quote_plus
-
-from graphql.type import GraphQLResolveInfo
-from starlette.responses import RedirectResponse
-from transliterate import translit
-import re
 from auth.authenticate import login_required
 from auth.credentials import AuthCredentials
 from auth.email import send_auth_email
 from auth.identity import Identity, Password
 from auth.jwtcodec import JWTCodec
 from auth.tokenstorage import TokenStorage
-from base.exceptions import (BaseHttpException, InvalidPassword, InvalidToken,
-                             ObjectNotExist, Unauthorized)
+from base.exceptions import (
+    BaseHttpException,
+    InvalidPassword,
+    InvalidToken,
+    ObjectNotExist,
+    Unauthorized,
+)
 from base.orm import local_session
 from base.resolvers import mutation, query
+from datetime import datetime, timezone
+from graphql.type import GraphQLResolveInfo
 from orm import Role, User
-from settings import SESSION_TOKEN_HEADER, FRONTEND_URL
+from settings import FRONTEND_URL, SESSION_TOKEN_HEADER
+from starlette.responses import RedirectResponse
+from transliterate import translit
+from urllib.parse import quote_plus
+
+import re
 
 
 @mutation.field("getSession")
@@ -32,17 +37,14 @@ async def get_current_user(_, info):
         user.lastSeen = datetime.now(tz=timezone.utc)
         session.commit()
 
-        return {
-            "token": token,
-            "user": user
-        }
+        return {"token": token, "user": user}
 
 
 @mutation.field("confirmEmail")
 async def confirm_email(_, info, token):
     """confirm owning email address"""
     try:
-        print('[resolvers.auth] confirm email by token')
+        print("[resolvers.auth] confirm email by token")
         payload = JWTCodec.decode(token)
         user_id = payload.user_id
         await TokenStorage.get(f"{user_id}-{payload.username}-{token}")
@@ -53,10 +55,7 @@ async def confirm_email(_, info, token):
             user.lastSeen = datetime.now(tz=timezone.utc)
             session.add(user)
             session.commit()
-            return {
-                "token": session_token,
-                "user": user
-            }
+            return {"token": session_token, "user": user}
     except InvalidToken as e:
         raise InvalidToken(e.message)
     except Exception as e:
@@ -68,9 +67,9 @@ async def confirm_email_handler(request):
     token = request.path_params["token"]  # one time
     request.session["token"] = token
     res = await confirm_email(None, {}, token)
-    print('[resolvers.auth] confirm_email request: %r' % request)
+    print("[resolvers.auth] confirm_email request: %r" % request)
     if "error" in res:
-        raise BaseHttpException(res['error'])
+        raise BaseHttpException(res["error"])
     else:
         response = RedirectResponse(url=FRONTEND_URL)
         response.set_cookie("token", res["token"])  # session token
@@ -87,22 +86,22 @@ def create_user(user_dict):
 
 
 def generate_unique_slug(src):
-    print('[resolvers.auth] generating slug from: ' + src)
+    print("[resolvers.auth] generating slug from: " + src)
     slug = translit(src, "ru", reversed=True).replace(".", "-").lower()
-    slug = re.sub('[^0-9a-zA-Z]+', '-', slug)
+    slug = re.sub("[^0-9a-zA-Z]+", "-", slug)
     if slug != src:
-        print('[resolvers.auth] translited name: ' + slug)
+        print("[resolvers.auth] translited name: " + slug)
     c = 1
     with local_session() as session:
         user = session.query(User).where(User.slug == slug).first()
         while user:
             user = session.query(User).where(User.slug == slug).first()
-            slug = slug + '-' + str(c)
+            slug = slug + "-" + str(c)
             c += 1
         if not user:
             unique_slug = slug
-            print('[resolvers.auth] ' + unique_slug)
-            return quote_plus(unique_slug.replace('\'', '')).replace('+', '-')
+            print("[resolvers.auth] " + unique_slug)
+            return quote_plus(unique_slug.replace("'", "")).replace("+", "-")
 
 
 @mutation.field("registerUser")
@@ -117,12 +116,12 @@ async def register_by_email(_, _info, email: str, password: str = "", name: str
         slug = generate_unique_slug(name)
         user = session.query(User).where(User.slug == slug).first()
         if user:
-            slug = generate_unique_slug(email.split('@')[0])
+            slug = generate_unique_slug(email.split("@")[0])
         user_dict = {
             "email": email,
             "username": email,  # will be used to store phone number or some messenger network id
             "name": name,
-            "slug": slug
+            "slug": slug,
         }
         if password:
             user_dict["password"] = Password.encode(password)
@@ -172,10 +171,7 @@ async def login(_, info, email: str, password: str = "", lang: str = "ru"):
                     user = Identity.password(orm_user, password)
                     session_token = await TokenStorage.create_session(user)
                     print(f"[auth] user {email} authorized")
-                    return {
-                        "token": session_token,
-                        "user": user
-                    }
+                    return {"token": session_token, "user": user}
                 except InvalidPassword:
                     print(f"[auth] {email}: invalid password")
                     raise InvalidPassword("invalid password")  # contains webserver status
diff --git a/resolvers/create/editor.py b/resolvers/create/editor.py
index c81ff404..6ec690f7 100644
--- a/resolvers/create/editor.py
+++ b/resolvers/create/editor.py
@@ -1,15 +1,13 @@
-from datetime import datetime, timezone
-
-from sqlalchemy import and_
-from sqlalchemy.orm import joinedload
-
 from auth.authenticate import login_required
 from auth.credentials import AuthCredentials
 from base.orm import local_session
 from base.resolvers import mutation
+from datetime import datetime, timezone
 from orm.shout import Shout, ShoutAuthor, ShoutTopic
 from orm.topic import Topic
 from resolvers.zine.reactions import reactions_follow, reactions_unfollow
+from sqlalchemy import and_
+from sqlalchemy.orm import joinedload
 
 
 @mutation.field("createShout")
@@ -18,21 +16,23 @@ async def create_shout(_, info, inp):
     auth: AuthCredentials = info.context["request"].auth
 
     with local_session() as session:
-        topics = session.query(Topic).filter(Topic.slug.in_(inp.get('topics', []))).all()
+        topics = session.query(Topic).filter(Topic.slug.in_(inp.get("topics", []))).all()
 
-        new_shout = Shout.create(**{
-            "title": inp.get("title"),
-            "subtitle": inp.get('subtitle'),
-            "lead": inp.get('lead'),
-            "description": inp.get('description'),
-            "body": inp.get("body", ''),
-            "layout": inp.get("layout"),
-            "authors": inp.get("authors", []),
-            "slug": inp.get("slug"),
-            "mainTopic": inp.get("mainTopic"),
-            "visibility": "owner",
-            "createdBy": auth.user_id
-        })
+        new_shout = Shout.create(
+            **{
+                "title": inp.get("title"),
+                "subtitle": inp.get("subtitle"),
+                "lead": inp.get("lead"),
+                "description": inp.get("description"),
+                "body": inp.get("body", ""),
+                "layout": inp.get("layout"),
+                "authors": inp.get("authors", []),
+                "slug": inp.get("slug"),
+                "mainTopic": inp.get("mainTopic"),
+                "visibility": "owner",
+                "createdBy": auth.user_id,
+            }
+        )
 
         for topic in topics:
             t = ShoutTopic.create(topic=topic.id, shout=new_shout.id)
@@ -64,10 +64,15 @@ async def update_shout(_, info, shout_id, shout_input=None, publish=False):
     auth: AuthCredentials = info.context["request"].auth
 
     with local_session() as session:
-        shout = session.query(Shout).options(
-            joinedload(Shout.authors),
-            joinedload(Shout.topics),
-        ).filter(Shout.id == shout_id).first()
+        shout = (
+            session.query(Shout)
+            .options(
+                joinedload(Shout.authors),
+                joinedload(Shout.topics),
+            )
+            .filter(Shout.id == shout_id)
+            .first()
+        )
 
         if not shout:
             return {"error": "shout not found"}
@@ -94,24 +99,36 @@ async def update_shout(_, info, shout_id, shout_input=None, publish=False):
                 session.commit()
 
             for new_topic_to_link in new_topics_to_link:
-                created_unlinked_topic = ShoutTopic.create(shout=shout.id, topic=new_topic_to_link.id)
+                created_unlinked_topic = ShoutTopic.create(
+                    shout=shout.id, topic=new_topic_to_link.id
+                )
                 session.add(created_unlinked_topic)
 
-            existing_topics_input = [topic_input for topic_input in topics_input if topic_input.get("id", 0) > 0]
-            existing_topic_to_link_ids = [existing_topic_input["id"] for existing_topic_input in existing_topics_input
-                                          if existing_topic_input["id"] not in [topic.id for topic in shout.topics]]
+            existing_topics_input = [
+                topic_input for topic_input in topics_input if topic_input.get("id", 0) > 0
+            ]
+            existing_topic_to_link_ids = [
+                existing_topic_input["id"]
+                for existing_topic_input in existing_topics_input
+                if existing_topic_input["id"] not in [topic.id for topic in shout.topics]
+            ]
 
             for existing_topic_to_link_id in existing_topic_to_link_ids:
-                created_unlinked_topic = ShoutTopic.create(shout=shout.id, topic=existing_topic_to_link_id)
+                created_unlinked_topic = ShoutTopic.create(
+                    shout=shout.id, topic=existing_topic_to_link_id
+                )
                 session.add(created_unlinked_topic)
 
-            topic_to_unlink_ids = [topic.id for topic in shout.topics
-                                   if topic.id not in [topic_input["id"] for topic_input in existing_topics_input]]
+            topic_to_unlink_ids = [
+                topic.id
+                for topic in shout.topics
+                if topic.id not in [topic_input["id"] for topic_input in existing_topics_input]
+            ]
 
             shout_topics_to_remove = session.query(ShoutTopic).filter(
                 and_(
                     ShoutTopic.shout == shout.id,
-                    ShoutTopic.topic.in_(topic_to_unlink_ids)
+                    ShoutTopic.topic.in_(topic_to_unlink_ids),
                 )
             )
 
@@ -120,13 +137,13 @@ async def update_shout(_, info, shout_id, shout_input=None, publish=False):
 
             shout_input["mainTopic"] = shout_input["mainTopic"]["slug"]
 
-            if shout_input["mainTopic"] == '':
+            if shout_input["mainTopic"] == "":
                 del shout_input["mainTopic"]
 
             shout.update(shout_input)
             updated = True
 
-        if publish and shout.visibility == 'owner':
+        if publish and shout.visibility == "owner":
             shout.visibility = "community"
             shout.publishedAt = datetime.now(tz=timezone.utc)
             updated = True
diff --git a/resolvers/create/migrate.py b/resolvers/create/migrate.py
index f16341f0..028808b1 100644
--- a/resolvers/create/migrate.py
+++ b/resolvers/create/migrate.py
@@ -1,11 +1,10 @@
-
-from base.resolvers import query
-from resolvers.auth import login_required
-from migration.extract import extract_md
-
-
-@login_required
-@query.field("markdownBody")
-def markdown_body(_, info, body: str):
-    body = extract_md(body)
-    return body
+# from base.resolvers import query
+# from migration.extract import extract_md
+# from resolvers.auth import login_required
+#
+#
+# @login_required
+# @query.field("markdownBody")
+# def markdown_body(_, info, body: str):
+#     body = extract_md(body)
+#     return body
diff --git a/resolvers/inbox/chats.py b/resolvers/inbox/chats.py
index 853defab..95a31f69 100644
--- a/resolvers/inbox/chats.py
+++ b/resolvers/inbox/chats.py
@@ -1,13 +1,13 @@
-import json
-import uuid
-from datetime import datetime, timezone
-
 from auth.authenticate import login_required
 from auth.credentials import AuthCredentials
 from base.redis import redis
 from base.resolvers import mutation
+from datetime import datetime, timezone
 from validations.inbox import Chat
 
+import json
+import uuid
+
 
 @mutation.field("updateChat")
 @login_required
@@ -24,27 +24,24 @@ async def update_chat(_, info, chat_new: Chat):
     chat_id = chat_new["id"]
     chat = await redis.execute("GET", f"chats/{chat_id}")
     if not chat:
-        return {
-            "error": "chat not exist"
-        }
+        return {"error": "chat not exist"}
     chat = dict(json.loads(chat))
 
     # TODO
     if auth.user_id in chat["admins"]:
-        chat.update({
-            "title": chat_new.get("title", chat["title"]),
-            "description": chat_new.get("description", chat["description"]),
-            "updatedAt": int(datetime.now(tz=timezone.utc).timestamp()),
-            "admins": chat_new.get("admins", chat.get("admins") or []),
-            "users": chat_new.get("users", chat["users"])
-        })
+        chat.update(
+            {
+                "title": chat_new.get("title", chat["title"]),
+                "description": chat_new.get("description", chat["description"]),
+                "updatedAt": int(datetime.now(tz=timezone.utc).timestamp()),
+                "admins": chat_new.get("admins", chat.get("admins") or []),
+                "users": chat_new.get("users", chat["users"]),
+            }
+        )
     await redis.execute("SET", f"chats/{chat.id}", json.dumps(chat))
     await redis.execute("COMMIT")
 
-    return {
-        "error": None,
-        "chat": chat
-    }
+    return {"error": None, "chat": chat}
 
 
 @mutation.field("createChat")
@@ -52,7 +49,7 @@ async def update_chat(_, info, chat_new: Chat):
 async def create_chat(_, info, title="", members=[]):
     auth: AuthCredentials = info.context["request"].auth
     chat = {}
-    print('create_chat members: %r' % members)
+    print("create_chat members: %r" % members)
     if auth.user_id not in members:
         members.append(int(auth.user_id))
 
@@ -74,15 +71,12 @@ async def create_chat(_, info, title="", members=[]):
             chat = await redis.execute("GET", f"chats/{c.decode('utf-8')}")
             if chat:
                 chat = json.loads(chat)
-                if chat['title'] == "":
-                    print('[inbox] createChat found old chat')
+                if chat["title"] == "":
+                    print("[inbox] createChat found old chat")
                     print(chat)
                     break
         if chat:
-            return {
-                "chat": chat,
-                "error": "existed"
-            }
+            return {"chat": chat, "error": "existed"}
 
     chat_id = str(uuid.uuid4())
     chat = {
@@ -92,7 +86,7 @@ async def create_chat(_, info, title="", members=[]):
         "createdBy": auth.user_id,
         "createdAt": int(datetime.now(tz=timezone.utc).timestamp()),
         "updatedAt": int(datetime.now(tz=timezone.utc).timestamp()),
-        "admins": members if (len(members) == 2 and title == "") else []
+        "admins": members if (len(members) == 2 and title == "") else [],
     }
 
     for m in members:
@@ -100,10 +94,7 @@ async def create_chat(_, info, title="", members=[]):
     await redis.execute("SET", f"chats/{chat_id}", json.dumps(chat))
     await redis.execute("SET", f"chats/{chat_id}/next_message_id", str(0))
     await redis.execute("COMMIT")
-    return {
-        "error": None,
-        "chat": chat
-    }
+    return {"error": None, "chat": chat}
 
 
 @mutation.field("deleteChat")
@@ -114,11 +105,9 @@ async def delete_chat(_, info, chat_id: str):
     chat = await redis.execute("GET", f"/chats/{chat_id}")
     if chat:
         chat = dict(json.loads(chat))
-        if auth.user_id in chat['admins']:
+        if auth.user_id in chat["admins"]:
             await redis.execute("DEL", f"chats/{chat_id}")
             await redis.execute("SREM", "chats_by_user/" + str(auth.user_id), chat_id)
             await redis.execute("COMMIT")
     else:
-        return {
-            "error": "chat not exist"
-        }
+        return {"error": "chat not exist"}
diff --git a/resolvers/inbox/load.py b/resolvers/inbox/load.py
index a0d41721..54ae75d5 100644
--- a/resolvers/inbox/load.py
+++ b/resolvers/inbox/load.py
@@ -1,28 +1,26 @@
-import json
-# from datetime import datetime, timedelta, timezone
-
+from .unread import get_unread_counter
 from auth.authenticate import login_required
 from auth.credentials import AuthCredentials
-from base.redis import redis
 from base.orm import local_session
+from base.redis import redis
 from base.resolvers import query
 from orm.user import User
 from resolvers.zine.profile import followed_authors
-from .unread import get_unread_counter
+
+import json
+
+# from datetime import datetime, timedelta, timezone
 
 
 async def load_messages(chat_id: str, limit: int = 5, offset: int = 0, ids=[]):
-    ''' load :limit messages for :chat_id with :offset '''
+    """load :limit messages for :chat_id with :offset"""
     messages = []
     message_ids = []
     if ids:
         message_ids += ids
     try:
         if limit:
-            mids = await redis.lrange(f"chats/{chat_id}/message_ids",
-                                      offset,
-                                      offset + limit
-                                      )
+            mids = await redis.lrange(f"chats/{chat_id}/message_ids", offset, offset + limit)
             mids = [mid.decode("utf-8") for mid in mids]
             message_ids += mids
     except Exception as e:
@@ -30,10 +28,10 @@ async def load_messages(chat_id: str, limit: int = 5, offset: int = 0, ids=[]):
     if message_ids:
         message_keys = [f"chats/{chat_id}/messages/{mid}" for mid in message_ids]
         messages = await redis.mget(*message_keys)
-        messages = [json.loads(msg.decode('utf-8')) for msg in messages]
+        messages = [json.loads(msg.decode("utf-8")) for msg in messages]
         replies = []
         for m in messages:
-            rt = m.get('replyTo')
+            rt = m.get("replyTo")
             if rt:
                 rt = int(rt)
                 if rt not in message_ids:
@@ -46,14 +44,14 @@ async def load_messages(chat_id: str, limit: int = 5, offset: int = 0, ids=[]):
 @query.field("loadChats")
 @login_required
 async def load_chats(_, info, limit: int = 50, offset: int = 0):
-    """ load :limit chats of current user with :offset """
+    """load :limit chats of current user with :offset"""
     auth: AuthCredentials = info.context["request"].auth
 
     cids = await redis.execute("SMEMBERS", "chats_by_user/" + str(auth.user_id))
     if cids:
-        cids = list(cids)[offset:offset + limit]
+        cids = list(cids)[offset : offset + limit]
     if not cids:
-        print('[inbox.load] no chats were found')
+        print("[inbox.load] no chats were found")
         cids = []
     onliners = await redis.execute("SMEMBERS", "users-online")
     if not onliners:
@@ -64,62 +62,53 @@ async def load_chats(_, info, limit: int = 50, offset: int = 0):
         c = await redis.execute("GET", "chats/" + cid)
         if c:
             c = dict(json.loads(c))
-            c['messages'] = await load_messages(cid, 5, 0)
-            c['unread'] = await get_unread_counter(cid, auth.user_id)
+            c["messages"] = await load_messages(cid, 5, 0)
+            c["unread"] = await get_unread_counter(cid, auth.user_id)
             with local_session() as session:
-                c['members'] = []
+                c["members"] = []
                 for uid in c["users"]:
                     a = session.query(User).where(User.id == uid).first()
                     if a:
-                        c['members'].append({
-                            "id": a.id,
-                            "slug": a.slug,
-                            "userpic": a.userpic,
-                            "name": a.name,
-                            "lastSeen": a.lastSeen,
-                            "online": a.id in onliners
-                        })
+                        c["members"].append(
+                            {
+                                "id": a.id,
+                                "slug": a.slug,
+                                "userpic": a.userpic,
+                                "name": a.name,
+                                "lastSeen": a.lastSeen,
+                                "online": a.id in onliners,
+                            }
+                        )
                 chats.append(c)
-    return {
-        "chats": chats,
-        "error": None
-    }
+    return {"chats": chats, "error": None}
 
 
 @query.field("loadMessagesBy")
 @login_required
 async def load_messages_by(_, info, by, limit: int = 10, offset: int = 0):
-    ''' load :limit messages of :chat_id with :offset '''
+    """load :limit messages of :chat_id with :offset"""
 
     auth: AuthCredentials = info.context["request"].auth
     userchats = await redis.execute("SMEMBERS", "chats_by_user/" + str(auth.user_id))
-    userchats = [c.decode('utf-8') for c in userchats]
+    userchats = [c.decode("utf-8") for c in userchats]
     # print('[inbox] userchats: %r' % userchats)
     if userchats:
         # print('[inbox] loading messages by...')
         messages = []
-        by_chat = by.get('chat')
+        by_chat = by.get("chat")
         if by_chat in userchats:
             chat = await redis.execute("GET", f"chats/{by_chat}")
             # print(chat)
             if not chat:
-                return {
-                    "messages": [],
-                    "error": "chat not exist"
-                }
+                return {"messages": [], "error": "chat not exist"}
             # everyone's messages in filtered chat
             messages = await load_messages(by_chat, limit, offset)
         return {
-            "messages": sorted(
-                list(messages),
-                key=lambda m: m['createdAt']
-            ),
-            "error": None
+            "messages": sorted(list(messages), key=lambda m: m["createdAt"]),
+            "error": None,
         }
     else:
-        return {
-            "error": "Cannot access messages of this chat"
-        }
+        return {"error": "Cannot access messages of this chat"}
 
 
 @query.field("loadRecipients")
@@ -138,15 +127,14 @@ async def load_recipients(_, info, limit=50, offset=0):
         chat_users += session.query(User).where(User.emailConfirmed).limit(limit).offset(offset)
         members = []
         for a in chat_users:
-            members.append({
-                "id": a.id,
-                "slug": a.slug,
-                "userpic": a.userpic,
-                "name": a.name,
-                "lastSeen": a.lastSeen,
-                "online": a.id in onliners
-            })
-    return {
-        "members": members,
-        "error": None
-    }
+            members.append(
+                {
+                    "id": a.id,
+                    "slug": a.slug,
+                    "userpic": a.userpic,
+                    "name": a.name,
+                    "lastSeen": a.lastSeen,
+                    "online": a.id in onliners,
+                }
+            )
+    return {"members": members, "error": None}
diff --git a/resolvers/inbox/messages.py b/resolvers/inbox/messages.py
index 56187edf..b3d2689f 100644
--- a/resolvers/inbox/messages.py
+++ b/resolvers/inbox/messages.py
@@ -1,41 +1,36 @@
-import asyncio
-import json
-from typing import Any
-from datetime import datetime, timezone
-from graphql.type import GraphQLResolveInfo
 from auth.authenticate import login_required
 from auth.credentials import AuthCredentials
 from base.redis import redis
 from base.resolvers import mutation
-from services.following import FollowingManager, FollowingResult, Following
-from validations.inbox import Message
+from datetime import datetime, timezone
+from services.following import FollowingManager, FollowingResult
+
+import json
 
 
 @mutation.field("createMessage")
 @login_required
 async def create_message(_, info, chat: str, body: str, replyTo=None):
-    """ create message with :body for :chat_id replying to :replyTo optionally """
+    """create message with :body for :chat_id replying to :replyTo optionally"""
     auth: AuthCredentials = info.context["request"].auth
 
     chat = await redis.execute("GET", f"chats/{chat}")
     if not chat:
-        return {
-            "error": "chat is not exist"
-        }
+        return {"error": "chat is not exist"}
     else:
         chat = dict(json.loads(chat))
         message_id = await redis.execute("GET", f"chats/{chat['id']}/next_message_id")
         message_id = int(message_id)
         new_message = {
-            "chatId": chat['id'],
+            "chatId": chat["id"],
             "id": message_id,
             "author": auth.user_id,
             "body": body,
-            "createdAt": int(datetime.now(tz=timezone.utc).timestamp())
+            "createdAt": int(datetime.now(tz=timezone.utc).timestamp()),
         }
         if replyTo:
-            new_message['replyTo'] = replyTo
-        chat['updatedAt'] = new_message['createdAt']
+            new_message["replyTo"] = replyTo
+        chat["updatedAt"] = new_message["createdAt"]
         await redis.execute("SET", f"chats/{chat['id']}", json.dumps(chat))
         print(f"[inbox] creating message {new_message}")
         await redis.execute(
@@ -46,17 +41,12 @@ async def create_message(_, info, chat: str, body: str, replyTo=None):
 
         users = chat["users"]
         for user_slug in users:
-            await redis.execute(
-                "LPUSH", f"chats/{chat['id']}/unread/{user_slug}", str(message_id)
-            )
+            await redis.execute("LPUSH", f"chats/{chat['id']}/unread/{user_slug}", str(message_id))
 
-        result = FollowingResult("NEW", 'chat', new_message)
-        await FollowingManager.push('chat', result)
+        result = FollowingResult("NEW", "chat", new_message)
+        await FollowingManager.push("chat", result)
 
-        return {
-            "message": new_message,
-            "error": None
-        }
+        return {"message": new_message, "error": None}
 
 
 @mutation.field("updateMessage")
@@ -81,13 +71,10 @@ async def update_message(_, info, chat_id: str, message_id: int, body: str):
 
     await redis.execute("SET", f"chats/{chat_id}/messages/{message_id}", json.dumps(message))
 
-    result = FollowingResult("UPDATED", 'chat', message)
-    await FollowingManager.push('chat', result)
+    result = FollowingResult("UPDATED", "chat", message)
+    await FollowingManager.push("chat", result)
 
-    return {
-        "message": message,
-        "error": None
-    }
+    return {"message": message, "error": None}
 
 
 @mutation.field("deleteMessage")
@@ -114,7 +101,7 @@ async def delete_message(_, info, chat_id: str, message_id: int):
     for user_id in users:
         await redis.execute("LREM", f"chats/{chat_id}/unread/{user_id}", 0, str(message_id))
 
-    result = FollowingResult("DELETED", 'chat', message)
+    result = FollowingResult("DELETED", "chat", message)
     await FollowingManager.push(result)
 
     return {}
@@ -137,6 +124,4 @@ async def mark_as_read(_, info, chat_id: str, messages: [int]):
     for message_id in messages:
         await redis.execute("LREM", f"chats/{chat_id}/unread/{auth.user_id}", 0, str(message_id))
 
-    return {
-        "error": None
-    }
+    return {"error": None}
diff --git a/resolvers/inbox/search.py b/resolvers/inbox/search.py
index 1ca340e5..510ce52c 100644
--- a/resolvers/inbox/search.py
+++ b/resolvers/inbox/search.py
@@ -1,13 +1,14 @@
-import json
-from datetime import datetime, timezone, timedelta
 from auth.authenticate import login_required
 from auth.credentials import AuthCredentials
+from base.orm import local_session
 from base.redis import redis
 from base.resolvers import query
-from base.orm import local_session
+from datetime import datetime, timedelta, timezone
 from orm.user import AuthorFollower, User
 from resolvers.inbox.load import load_messages
 
+import json
+
 
 @query.field("searchRecipients")
 @login_required
@@ -17,7 +18,7 @@ async def search_recipients(_, info, query: str, limit: int = 50, offset: int =
     auth: AuthCredentials = info.context["request"].auth
     talk_before = await redis.execute("GET", f"/chats_by_user/{auth.user_id}")
     if talk_before:
-        talk_before = list(json.loads(talk_before))[offset:offset + limit]
+        talk_before = list(json.loads(talk_before))[offset : offset + limit]
         for chat_id in talk_before:
             members = await redis.execute("GET", f"/chats/{chat_id}/users")
             if members:
@@ -31,23 +32,24 @@ async def search_recipients(_, info, query: str, limit: int = 50, offset: int =
 
     with local_session() as session:
         # followings
-        result += session.query(AuthorFollower.author).join(
-            User, User.id == AuthorFollower.follower
-        ).where(
-            User.slug.startswith(query)
-        ).offset(offset + len(result)).limit(more_amount)
+        result += (
+            session.query(AuthorFollower.author)
+            .join(User, User.id == AuthorFollower.follower)
+            .where(User.slug.startswith(query))
+            .offset(offset + len(result))
+            .limit(more_amount)
+        )
 
         more_amount = limit
         # followers
-        result += session.query(AuthorFollower.follower).join(
-            User, User.id == AuthorFollower.author
-        ).where(
-            User.slug.startswith(query)
-        ).offset(offset + len(result)).limit(offset + len(result) + limit)
-    return {
-        "members": list(result),
-        "error": None
-    }
+        result += (
+            session.query(AuthorFollower.follower)
+            .join(User, User.id == AuthorFollower.author)
+            .where(User.slug.startswith(query))
+            .offset(offset + len(result))
+            .limit(offset + len(result) + limit)
+        )
+    return {"members": list(result), "error": None}
 
 
 @query.field("searchMessages")
@@ -57,22 +59,22 @@ async def search_user_chats(by, messages, user_id: int, limit, offset):
     cids.union(set(await redis.execute("SMEMBERS", "chats_by_user/" + str(user_id))))
     messages = []
 
-    by_author = by.get('author')
+    by_author = by.get("author")
     if by_author:
         # all author's messages
         cids.union(set(await redis.execute("SMEMBERS", f"chats_by_user/{by_author}")))
         # author's messages in filtered chat
         messages.union(set(filter(lambda m: m["author"] == by_author, list(messages))))
         for c in cids:
-            c = c.decode('utf-8')
+            c = c.decode("utf-8")
             messages = await load_messages(c, limit, offset)
 
-    body_like = by.get('body')
+    body_like = by.get("body")
     if body_like:
         # search in all messages in all user's chats
         for c in cids:
             # FIXME: use redis scan here
-            c = c.decode('utf-8')
+            c = c.decode("utf-8")
             mmm = await load_messages(c, limit, offset)
             for m in mmm:
                 if body_like in m["body"]:
@@ -83,13 +85,12 @@ async def search_user_chats(by, messages, user_id: int, limit, offset):
 
     days = by.get("days")
     if days:
-        messages.extend(filter(
-            list(messages),
-            key=lambda m: (
-                datetime.now(tz=timezone.utc) - int(m["createdAt"]) < timedelta(days=by["days"])
+        messages.extend(
+            filter(
+                list(messages),
+                key=lambda m: (
+                    datetime.now(tz=timezone.utc) - int(m["createdAt"]) < timedelta(days=by["days"])
+                ),
             )
-        ))
-    return {
-        "messages": messages,
-        "error": None
-    }
+        )
+    return {"messages": messages, "error": None}
diff --git a/resolvers/notifications.py b/resolvers/notifications.py
index 0cfc2244..3ece629e 100644
--- a/resolvers/notifications.py
+++ b/resolvers/notifications.py
@@ -1,10 +1,9 @@
-from sqlalchemy import select, desc, and_, update
-
-from auth.credentials import AuthCredentials
-from base.resolvers import query, mutation
 from auth.authenticate import login_required
+from auth.credentials import AuthCredentials
 from base.orm import local_session
+from base.resolvers import mutation, query
 from orm import Notification
+from sqlalchemy import and_, desc, select, update
 
 
 @query.field("loadNotifications")
@@ -16,25 +15,26 @@ async def load_notifications(_, info, params=None):
     auth: AuthCredentials = info.context["request"].auth
     user_id = auth.user_id
 
-    limit = params.get('limit', 50)
-    offset = params.get('offset', 0)
+    limit = params.get("limit", 50)
+    offset = params.get("offset", 0)
 
-    q = select(Notification).where(
-        Notification.user == user_id
-    ).order_by(desc(Notification.createdAt)).limit(limit).offset(offset)
+    q = (
+        select(Notification)
+        .where(Notification.user == user_id)
+        .order_by(desc(Notification.createdAt))
+        .limit(limit)
+        .offset(offset)
+    )
 
     notifications = []
     with local_session() as session:
-        total_count = session.query(Notification).where(
-            Notification.user == user_id
-        ).count()
+        total_count = session.query(Notification).where(Notification.user == user_id).count()
 
-        total_unread_count = session.query(Notification).where(
-            and_(
-                Notification.user == user_id,
-                Notification.seen == False
-            )
-        ).count()
+        total_unread_count = (
+            session.query(Notification)
+            .where(and_(Notification.user == user_id, Notification.seen == False))  # noqa: E712
+            .count()
+        )
 
         for [notification] in session.execute(q):
             notification.type = notification.type.name
@@ -43,7 +43,7 @@ async def load_notifications(_, info, params=None):
     return {
         "notifications": notifications,
         "totalCount": total_count,
-        "totalUnreadCount": total_unread_count
+        "totalUnreadCount": total_unread_count,
     }
 
 
@@ -54,9 +54,11 @@ async def mark_notification_as_read(_, info, notification_id: int):
     user_id = auth.user_id
 
     with local_session() as session:
-        notification = session.query(Notification).where(
-            and_(Notification.id == notification_id, Notification.user == user_id)
-        ).one()
+        notification = (
+            session.query(Notification)
+            .where(and_(Notification.id == notification_id, Notification.user == user_id))
+            .one()
+        )
         notification.seen = True
         session.commit()
 
@@ -69,12 +71,11 @@ async def mark_all_notifications_as_read(_, info):
     auth: AuthCredentials = info.context["request"].auth
     user_id = auth.user_id
 
-    statement = update(Notification).where(
-        and_(
-            Notification.user == user_id,
-            Notification.seen == False
-        )
-    ).values(seen=True)
+    statement = (
+        update(Notification)
+        .where(and_(Notification.user == user_id, Notification.seen == False))  # noqa: E712
+        .values(seen=True)
+    )
 
     with local_session() as session:
         try:
diff --git a/resolvers/upload.py b/resolvers/upload.py
index 44c7b81c..9649222c 100644
--- a/resolvers/upload.py
+++ b/resolvers/upload.py
@@ -1,34 +1,37 @@
+from botocore.exceptions import BotoCoreError, ClientError
+from starlette.responses import JSONResponse
+
+import boto3
 import os
 import shutil
 import tempfile
 import uuid
-import boto3
-from botocore.exceptions import BotoCoreError, ClientError
-from starlette.responses import JSONResponse
 
-STORJ_ACCESS_KEY = os.environ.get('STORJ_ACCESS_KEY')
-STORJ_SECRET_KEY = os.environ.get('STORJ_SECRET_KEY')
-STORJ_END_POINT = os.environ.get('STORJ_END_POINT')
-STORJ_BUCKET_NAME = os.environ.get('STORJ_BUCKET_NAME')
-CDN_DOMAIN = os.environ.get('CDN_DOMAIN')
+STORJ_ACCESS_KEY = os.environ.get("STORJ_ACCESS_KEY")
+STORJ_SECRET_KEY = os.environ.get("STORJ_SECRET_KEY")
+STORJ_END_POINT = os.environ.get("STORJ_END_POINT")
+STORJ_BUCKET_NAME = os.environ.get("STORJ_BUCKET_NAME")
+CDN_DOMAIN = os.environ.get("CDN_DOMAIN")
 
 
 async def upload_handler(request):
     form = await request.form()
-    file = form.get('file')
+    file = form.get("file")
 
     if file is None:
-        return JSONResponse({'error': 'No file uploaded'}, status_code=400)
+        return JSONResponse({"error": "No file uploaded"}, status_code=400)
 
     file_name, file_extension = os.path.splitext(file.filename)
 
-    key = 'files/' + str(uuid.uuid4()) + file_extension
+    key = "files/" + str(uuid.uuid4()) + file_extension
 
     # Create an S3 client with Storj configuration
-    s3 = boto3.client('s3',
-                      aws_access_key_id=STORJ_ACCESS_KEY,
-                      aws_secret_access_key=STORJ_SECRET_KEY,
-                      endpoint_url=STORJ_END_POINT)
+    s3 = boto3.client(
+        "s3",
+        aws_access_key_id=STORJ_ACCESS_KEY,
+        aws_secret_access_key=STORJ_SECRET_KEY,
+        endpoint_url=STORJ_END_POINT,
+    )
 
     try:
         # Save the uploaded file to a temporary file
@@ -39,18 +42,13 @@ async def upload_handler(request):
                 Filename=tmp_file.name,
                 Bucket=STORJ_BUCKET_NAME,
                 Key=key,
-                ExtraArgs={
-                    "ContentType": file.content_type
-                }
+                ExtraArgs={"ContentType": file.content_type},
             )
 
-        url = 'https://' + CDN_DOMAIN + '/' + key
+        url = "https://" + CDN_DOMAIN + "/" + key
 
-        return JSONResponse({'url': url, 'originalFilename': file.filename})
+        return JSONResponse({"url": url, "originalFilename": file.filename})
 
     except (BotoCoreError, ClientError) as e:
         print(e)
-        return JSONResponse({'error': 'Failed to upload file'}, status_code=500)
-
-
-
+        return JSONResponse({"error": "Failed to upload file"}, status_code=500)
diff --git a/resolvers/zine/following.py b/resolvers/zine/following.py
index 99481571..bc92371a 100644
--- a/resolvers/zine/following.py
+++ b/resolvers/zine/following.py
@@ -1,17 +1,12 @@
-import asyncio
-from base.orm import local_session
-from base.resolvers import mutation
 from auth.authenticate import login_required
 from auth.credentials import AuthCredentials
+from base.resolvers import mutation
+
 # from resolvers.community import community_follow, community_unfollow
-from orm.user import AuthorFollower
-from orm.topic import TopicFollower
-from orm.shout import ShoutReactionsFollower
 from resolvers.zine.profile import author_follow, author_unfollow
 from resolvers.zine.reactions import reactions_follow, reactions_unfollow
 from resolvers.zine.topics import topic_follow, topic_unfollow
-from services.following import Following, FollowingManager, FollowingResult
-from graphql.type import GraphQLResolveInfo
+from services.following import FollowingManager, FollowingResult
 
 
 @mutation.field("follow")
@@ -22,20 +17,20 @@ async def follow(_, info, what, slug):
     try:
         if what == "AUTHOR":
             if author_follow(auth.user_id, slug):
-                result = FollowingResult("NEW", 'author', slug)
-                await FollowingManager.push('author', result)
+                result = FollowingResult("NEW", "author", slug)
+                await FollowingManager.push("author", result)
         elif what == "TOPIC":
             if topic_follow(auth.user_id, slug):
-                result = FollowingResult("NEW", 'topic', slug)
-                await FollowingManager.push('topic', result)
+                result = FollowingResult("NEW", "topic", slug)
+                await FollowingManager.push("topic", result)
         elif what == "COMMUNITY":
             if False:  # TODO: use community_follow(auth.user_id, slug):
-                result = FollowingResult("NEW", 'community', slug)
-                await FollowingManager.push('community', result)
+                result = FollowingResult("NEW", "community", slug)
+                await FollowingManager.push("community", result)
         elif what == "REACTIONS":
             if reactions_follow(auth.user_id, slug):
-                result = FollowingResult("NEW", 'shout', slug)
-                await FollowingManager.push('shout', result)
+                result = FollowingResult("NEW", "shout", slug)
+                await FollowingManager.push("shout", result)
     except Exception as e:
         print(Exception(e))
         return {"error": str(e)}
@@ -51,20 +46,20 @@ async def unfollow(_, info, what, slug):
     try:
         if what == "AUTHOR":
             if author_unfollow(auth.user_id, slug):
-                result = FollowingResult("DELETED", 'author', slug)
-                await FollowingManager.push('author', result)
+                result = FollowingResult("DELETED", "author", slug)
+                await FollowingManager.push("author", result)
         elif what == "TOPIC":
             if topic_unfollow(auth.user_id, slug):
-                result = FollowingResult("DELETED", 'topic', slug)
-                await FollowingManager.push('topic', result)
+                result = FollowingResult("DELETED", "topic", slug)
+                await FollowingManager.push("topic", result)
         elif what == "COMMUNITY":
             if False:  # TODO: use community_unfollow(auth.user_id, slug):
-                result = FollowingResult("DELETED", 'community', slug)
-                await FollowingManager.push('community', result)
+                result = FollowingResult("DELETED", "community", slug)
+                await FollowingManager.push("community", result)
         elif what == "REACTIONS":
             if reactions_unfollow(auth.user_id, slug):
-                result = FollowingResult("DELETED", 'shout', slug)
-                await FollowingManager.push('shout', result)
+                result = FollowingResult("DELETED", "shout", slug)
+                await FollowingManager.push("shout", result)
     except Exception as e:
         return {"error": str(e)}
 
diff --git a/resolvers/zine/load.py b/resolvers/zine/load.py
index 4619efa6..90d790ac 100644
--- a/resolvers/zine/load.py
+++ b/resolvers/zine/load.py
@@ -1,49 +1,47 @@
-from datetime import datetime, timedelta, timezone
-
-from sqlalchemy.orm import joinedload, aliased
-from sqlalchemy.sql.expression import desc, asc, select, func, case, and_, text, nulls_last
-
 from auth.authenticate import login_required
 from auth.credentials import AuthCredentials
-from base.exceptions import ObjectNotExist, OperationNotAllowed
+from base.exceptions import ObjectNotExist
 from base.orm import local_session
 from base.resolvers import query
+from datetime import datetime, timedelta, timezone
 from orm import TopicFollower
 from orm.reaction import Reaction, ReactionKind
 from orm.shout import Shout, ShoutAuthor, ShoutTopic
 from orm.user import AuthorFollower
+from sqlalchemy.orm import aliased, joinedload
+from sqlalchemy.sql.expression import and_, asc, case, desc, func, nulls_last, select
 
 
 def add_stat_columns(q):
     aliased_reaction = aliased(Reaction)
 
     q = q.outerjoin(aliased_reaction).add_columns(
-        func.sum(
-            aliased_reaction.id
-        ).label('reacted_stat'),
+        func.sum(aliased_reaction.id).label("reacted_stat"),
+        func.sum(case((aliased_reaction.kind == ReactionKind.COMMENT, 1), else_=0)).label(
+            "commented_stat"
+        ),
         func.sum(
             case(
-                (aliased_reaction.kind == ReactionKind.COMMENT, 1),
-                else_=0
+                # do not count comments' reactions
+                (aliased_reaction.replyTo.is_not(None), 0),
+                (aliased_reaction.kind == ReactionKind.AGREE, 1),
+                (aliased_reaction.kind == ReactionKind.DISAGREE, -1),
+                (aliased_reaction.kind == ReactionKind.PROOF, 1),
+                (aliased_reaction.kind == ReactionKind.DISPROOF, -1),
+                (aliased_reaction.kind == ReactionKind.ACCEPT, 1),
+                (aliased_reaction.kind == ReactionKind.REJECT, -1),
+                (aliased_reaction.kind == ReactionKind.LIKE, 1),
+                (aliased_reaction.kind == ReactionKind.DISLIKE, -1),
+                else_=0,
             )
-        ).label('commented_stat'),
-        func.sum(case(
-            # do not count comments' reactions
-            (aliased_reaction.replyTo.is_not(None), 0),
-            (aliased_reaction.kind == ReactionKind.AGREE, 1),
-            (aliased_reaction.kind == ReactionKind.DISAGREE, -1),
-            (aliased_reaction.kind == ReactionKind.PROOF, 1),
-            (aliased_reaction.kind == ReactionKind.DISPROOF, -1),
-            (aliased_reaction.kind == ReactionKind.ACCEPT, 1),
-            (aliased_reaction.kind == ReactionKind.REJECT, -1),
-            (aliased_reaction.kind == ReactionKind.LIKE, 1),
-            (aliased_reaction.kind == ReactionKind.DISLIKE, -1),
-            else_=0)
-        ).label('rating_stat'),
-        func.max(case(
-            (aliased_reaction.kind != ReactionKind.COMMENT, None),
-            else_=aliased_reaction.createdAt
-        )).label('last_comment'))
+        ).label("rating_stat"),
+        func.max(
+            case(
+                (aliased_reaction.kind != ReactionKind.COMMENT, None),
+                else_=aliased_reaction.createdAt,
+            )
+        ).label("last_comment"),
+    )
 
     return q
 
@@ -60,7 +58,7 @@ def apply_filters(q, filters, user_id=None):
 
     if filters.get("layout"):
         q = q.filter(Shout.layout == filters.get("layout"))
-    if filters.get('excludeLayout'):
+    if filters.get("excludeLayout"):
         q = q.filter(Shout.layout != filters.get("excludeLayout"))
     if filters.get("author"):
         q = q.filter(Shout.authors.any(slug=filters.get("author")))
@@ -87,27 +85,27 @@ async def load_shout(_, info, slug=None, shout_id=None):
         q = add_stat_columns(q)
 
         if slug is not None:
-            q = q.filter(
-                Shout.slug == slug
-            )
+            q = q.filter(Shout.slug == slug)
 
         if shout_id is not None:
-            q = q.filter(
-                Shout.id == shout_id
-            )
+            q = q.filter(Shout.id == shout_id)
 
-        q = q.filter(
-            Shout.deletedAt.is_(None)
-        ).group_by(Shout.id)
+        q = q.filter(Shout.deletedAt.is_(None)).group_by(Shout.id)
 
         try:
-            [shout, reacted_stat, commented_stat, rating_stat, last_comment] = session.execute(q).first()
+            [
+                shout,
+                reacted_stat,
+                commented_stat,
+                rating_stat,
+                last_comment,
+            ] = session.execute(q).first()
 
             shout.stat = {
                 "viewed": shout.views,
                 "reacted": reacted_stat,
                 "commented": commented_stat,
-                "rating": rating_stat
+                "rating": rating_stat,
             }
 
             for author_caption in session.query(ShoutAuthor).join(Shout).where(Shout.slug == slug):
@@ -142,14 +140,13 @@ async def load_shouts_by(_, info, options):
     :return: Shout[]
     """
 
-    q = select(Shout).options(
-        joinedload(Shout.authors),
-        joinedload(Shout.topics),
-    ).where(
-        and_(
-            Shout.deletedAt.is_(None),
-            Shout.layout.is_not(None)
+    q = (
+        select(Shout)
+        .options(
+            joinedload(Shout.authors),
+            joinedload(Shout.topics),
         )
+        .where(and_(Shout.deletedAt.is_(None), Shout.layout.is_not(None)))
     )
 
     q = add_stat_columns(q)
@@ -159,7 +156,7 @@ async def load_shouts_by(_, info, options):
 
     order_by = options.get("order_by", Shout.publishedAt)
 
-    query_order_by = desc(order_by) if options.get('order_by_desc', True) else asc(order_by)
+    query_order_by = desc(order_by) if options.get("order_by_desc", True) else asc(order_by)
     offset = options.get("offset", 0)
     limit = options.get("limit", 10)
 
@@ -169,13 +166,19 @@ async def load_shouts_by(_, info, options):
     with local_session() as session:
         shouts_map = {}
 
-        for [shout, reacted_stat, commented_stat, rating_stat, last_comment] in session.execute(q).unique():
+        for [
+            shout,
+            reacted_stat,
+            commented_stat,
+            rating_stat,
+            last_comment,
+        ] in session.execute(q).unique():
             shouts.append(shout)
             shout.stat = {
                 "viewed": shout.views,
                 "reacted": reacted_stat,
                 "commented": commented_stat,
-                "rating": rating_stat
+                "rating": rating_stat,
             }
             shouts_map[shout.id] = shout
 
@@ -188,11 +191,13 @@ async def get_drafts(_, info):
     auth: AuthCredentials = info.context["request"].auth
     user_id = auth.user_id
 
-    q = select(Shout).options(
-        joinedload(Shout.authors),
-        joinedload(Shout.topics),
-    ).where(
-        and_(Shout.deletedAt.is_(None), Shout.createdBy == user_id)
+    q = (
+        select(Shout)
+        .options(
+            joinedload(Shout.authors),
+            joinedload(Shout.topics),
+        )
+        .where(and_(Shout.deletedAt.is_(None), Shout.createdBy == user_id))
     )
 
     q = q.group_by(Shout.id)
@@ -211,24 +216,26 @@ async def get_my_feed(_, info, options):
     auth: AuthCredentials = info.context["request"].auth
     user_id = auth.user_id
 
-    subquery = select(Shout.id).join(
-        ShoutAuthor
-    ).join(
-        AuthorFollower, AuthorFollower.follower == user_id
-    ).join(
-        ShoutTopic
-    ).join(
-        TopicFollower, TopicFollower.follower == user_id
+    subquery = (
+        select(Shout.id)
+        .join(ShoutAuthor)
+        .join(AuthorFollower, AuthorFollower.follower == user_id)
+        .join(ShoutTopic)
+        .join(TopicFollower, TopicFollower.follower == user_id)
     )
 
-    q = select(Shout).options(
-        joinedload(Shout.authors),
-        joinedload(Shout.topics),
-    ).where(
-        and_(
-            Shout.publishedAt.is_not(None),
-            Shout.deletedAt.is_(None),
-            Shout.id.in_(subquery)
+    q = (
+        select(Shout)
+        .options(
+            joinedload(Shout.authors),
+            joinedload(Shout.topics),
+        )
+        .where(
+            and_(
+                Shout.publishedAt.is_not(None),
+                Shout.deletedAt.is_(None),
+                Shout.id.in_(subquery),
+            )
         )
     )
 
@@ -237,7 +244,7 @@ async def get_my_feed(_, info, options):
 
     order_by = options.get("order_by", Shout.publishedAt)
 
-    query_order_by = desc(order_by) if options.get('order_by_desc', True) else asc(order_by)
+    query_order_by = desc(order_by) if options.get("order_by_desc", True) else asc(order_by)
     offset = options.get("offset", 0)
     limit = options.get("limit", 10)
 
@@ -246,13 +253,19 @@ async def get_my_feed(_, info, options):
     shouts = []
     with local_session() as session:
         shouts_map = {}
-        for [shout, reacted_stat, commented_stat, rating_stat, last_comment] in session.execute(q).unique():
+        for [
+            shout,
+            reacted_stat,
+            commented_stat,
+            rating_stat,
+            last_comment,
+        ] in session.execute(q).unique():
             shouts.append(shout)
             shout.stat = {
                 "viewed": shout.views,
                 "reacted": reacted_stat,
                 "commented": commented_stat,
-                "rating": rating_stat
+                "rating": rating_stat,
             }
             shouts_map[shout.id] = shout
 
diff --git a/resolvers/zine/profile.py b/resolvers/zine/profile.py
index 552af43f..7275226d 100644
--- a/resolvers/zine/profile.py
+++ b/resolvers/zine/profile.py
@@ -1,17 +1,16 @@
-from typing import List
-from datetime import datetime, timedelta, timezone
-from sqlalchemy import and_, func, distinct, select, literal
-from sqlalchemy.orm import aliased, joinedload
-
 from auth.authenticate import login_required
 from auth.credentials import AuthCredentials
 from base.orm import local_session
 from base.resolvers import mutation, query
+from datetime import datetime, timedelta, timezone
 from orm.reaction import Reaction, ReactionKind
 from orm.shout import ShoutAuthor, ShoutTopic
 from orm.topic import Topic, TopicFollower
 from orm.user import AuthorFollower, Role, User, UserRating, UserRole
 from resolvers.zine.topics import followed_by_user
+from sqlalchemy import and_, distinct, func, literal, select
+from sqlalchemy.orm import aliased, joinedload
+from typing import List
 
 
 def add_author_stat_columns(q):
@@ -21,24 +20,24 @@ def add_author_stat_columns(q):
     # user_rating_aliased = aliased(UserRating)
 
     q = q.outerjoin(shout_author_aliased).add_columns(
-        func.count(distinct(shout_author_aliased.shout)).label('shouts_stat')
+        func.count(distinct(shout_author_aliased.shout)).label("shouts_stat")
     )
     q = q.outerjoin(author_followers, author_followers.author == User.id).add_columns(
-        func.count(distinct(author_followers.follower)).label('followers_stat')
+        func.count(distinct(author_followers.follower)).label("followers_stat")
     )
 
     q = q.outerjoin(author_following, author_following.follower == User.id).add_columns(
-        func.count(distinct(author_following.author)).label('followings_stat')
+        func.count(distinct(author_following.author)).label("followings_stat")
     )
 
-    q = q.add_columns(literal(0).label('rating_stat'))
+    q = q.add_columns(literal(0).label("rating_stat"))
     # FIXME
     # q = q.outerjoin(user_rating_aliased, user_rating_aliased.user == User.id).add_columns(
     #     # TODO: check
     #     func.sum(user_rating_aliased.value).label('rating_stat')
     # )
 
-    q = q.add_columns(literal(0).label('commented_stat'))
+    q = q.add_columns(literal(0).label("commented_stat"))
     # q = q.outerjoin(Reaction, and_(Reaction.createdBy == User.id, Reaction.body.is_not(None))).add_columns(
     #     func.count(distinct(Reaction.id)).label('commented_stat')
     # )
@@ -49,13 +48,19 @@ def add_author_stat_columns(q):
 
 
 def add_stat(author, stat_columns):
-    [shouts_stat, followers_stat, followings_stat, rating_stat, commented_stat] = stat_columns
+    [
+        shouts_stat,
+        followers_stat,
+        followings_stat,
+        rating_stat,
+        commented_stat,
+    ] = stat_columns
     author.stat = {
         "shouts": shouts_stat,
         "followers": followers_stat,
         "followings": followings_stat,
         "rating": rating_stat,
-        "commented": commented_stat
+        "commented": commented_stat,
     }
 
     return author
@@ -119,10 +124,10 @@ async def user_followers(_, _info, slug) -> List[User]:
     q = add_author_stat_columns(q)
 
     aliased_user = aliased(User)
-    q = q.join(AuthorFollower, AuthorFollower.follower == User.id).join(
-        aliased_user, aliased_user.id == AuthorFollower.author
-    ).where(
-        aliased_user.slug == slug
+    q = (
+        q.join(AuthorFollower, AuthorFollower.follower == User.id)
+        .join(aliased_user, aliased_user.id == AuthorFollower.author)
+        .where(aliased_user.slug == slug)
     )
 
     return get_authors_from_query(q)
@@ -150,15 +155,10 @@ async def update_profile(_, info, profile):
     with local_session() as session:
         user = session.query(User).filter(User.id == user_id).one()
         if not user:
-            return {
-                "error": "canoot find user"
-            }
+            return {"error": "canoot find user"}
         user.update(profile)
         session.commit()
-    return {
-        "error": None,
-        "author": user
-    }
+    return {"error": None, "author": user}
 
 
 @mutation.field("rateUser")
@@ -200,13 +200,10 @@ def author_follow(user_id, slug):
 def author_unfollow(user_id, slug):
     with local_session() as session:
         flw = (
-            session.query(
-                AuthorFollower
-            ).join(User, User.id == AuthorFollower.author).filter(
-                and_(
-                    AuthorFollower.follower == user_id, User.slug == slug
-                )
-            ).first()
+            session.query(AuthorFollower)
+            .join(User, User.id == AuthorFollower.author)
+            .filter(and_(AuthorFollower.follower == user_id, User.slug == slug))
+            .first()
         )
         if flw:
             session.delete(flw)
@@ -232,12 +229,16 @@ async def get_author(_, _info, slug):
     [author] = get_authors_from_query(q)
 
     with local_session() as session:
-        comments_count = session.query(Reaction).where(
-            and_(
-                Reaction.createdBy == author.id,
-                Reaction.kind == ReactionKind.COMMENT
+        comments_count = (
+            session.query(Reaction)
+            .where(
+                and_(
+                    Reaction.createdBy == author.id,
+                    Reaction.kind == ReactionKind.COMMENT,
+                )
             )
-        ).count()
+            .count()
+        )
         author.stat["commented"] = comments_count
 
     return author
@@ -260,9 +261,7 @@ async def load_authors_by(_, info, by, limit, offset):
         days_before = datetime.now(tz=timezone.utc) - timedelta(days=by["createdAt"])
         q = q.filter(User.createdAt > days_before)
 
-    q = q.order_by(
-        by.get("order", User.createdAt)
-    ).limit(limit).offset(offset)
+    q = q.order_by(by.get("order", User.createdAt)).limit(limit).offset(offset)
 
     return get_authors_from_query(q)
 
@@ -273,13 +272,13 @@ async def load_my_subscriptions(_, info):
     auth = info.context["request"].auth
     user_id = auth.user_id
 
-    authors_query = select(User).join(AuthorFollower, AuthorFollower.author == User.id).where(
-        AuthorFollower.follower == user_id
+    authors_query = (
+        select(User)
+        .join(AuthorFollower, AuthorFollower.author == User.id)
+        .where(AuthorFollower.follower == user_id)
     )
 
-    topics_query = select(Topic).join(TopicFollower).where(
-        TopicFollower.follower == user_id
-    )
+    topics_query = select(Topic).join(TopicFollower).where(TopicFollower.follower == user_id)
 
     topics = []
     authors = []
@@ -291,7 +290,4 @@ async def load_my_subscriptions(_, info):
         for [topic] in session.execute(topics_query):
             topics.append(topic)
 
-    return {
-        "topics": topics,
-        "authors": authors
-    }
+    return {"topics": topics, "authors": authors}
diff --git a/resolvers/zine/reactions.py b/resolvers/zine/reactions.py
index 1c132b69..680cac52 100644
--- a/resolvers/zine/reactions.py
+++ b/resolvers/zine/reactions.py
@@ -1,42 +1,37 @@
-from datetime import datetime, timedelta, timezone
-from sqlalchemy import and_, asc, desc, select, text, func, case
-from sqlalchemy.orm import aliased
-
 from auth.authenticate import login_required
 from auth.credentials import AuthCredentials
 from base.exceptions import OperationNotAllowed
 from base.orm import local_session
 from base.resolvers import mutation, query
+from datetime import datetime, timedelta, timezone
 from orm.reaction import Reaction, ReactionKind
 from orm.shout import Shout, ShoutReactionsFollower
 from orm.user import User
 from services.notifications.notification_service import notification_service
+from sqlalchemy import and_, asc, case, desc, func, select, text
+from sqlalchemy.orm import aliased
 
 
 def add_reaction_stat_columns(q):
     aliased_reaction = aliased(Reaction)
 
     q = q.outerjoin(aliased_reaction, Reaction.id == aliased_reaction.replyTo).add_columns(
-        func.sum(
-            aliased_reaction.id
-        ).label('reacted_stat'),
+        func.sum(aliased_reaction.id).label("reacted_stat"),
+        func.sum(case((aliased_reaction.body.is_not(None), 1), else_=0)).label("commented_stat"),
         func.sum(
             case(
-                (aliased_reaction.body.is_not(None), 1),
-                else_=0
+                (aliased_reaction.kind == ReactionKind.AGREE, 1),
+                (aliased_reaction.kind == ReactionKind.DISAGREE, -1),
+                (aliased_reaction.kind == ReactionKind.PROOF, 1),
+                (aliased_reaction.kind == ReactionKind.DISPROOF, -1),
+                (aliased_reaction.kind == ReactionKind.ACCEPT, 1),
+                (aliased_reaction.kind == ReactionKind.REJECT, -1),
+                (aliased_reaction.kind == ReactionKind.LIKE, 1),
+                (aliased_reaction.kind == ReactionKind.DISLIKE, -1),
+                else_=0,
             )
-        ).label('commented_stat'),
-        func.sum(case(
-            (aliased_reaction.kind == ReactionKind.AGREE, 1),
-            (aliased_reaction.kind == ReactionKind.DISAGREE, -1),
-            (aliased_reaction.kind == ReactionKind.PROOF, 1),
-            (aliased_reaction.kind == ReactionKind.DISPROOF, -1),
-            (aliased_reaction.kind == ReactionKind.ACCEPT, 1),
-            (aliased_reaction.kind == ReactionKind.REJECT, -1),
-            (aliased_reaction.kind == ReactionKind.LIKE, 1),
-            (aliased_reaction.kind == ReactionKind.DISLIKE, -1),
-            else_=0)
-        ).label('rating_stat'))
+        ).label("rating_stat"),
+    )
 
     return q
 
@@ -47,17 +42,19 @@ def reactions_follow(user_id, shout_id: int, auto=False):
             shout = session.query(Shout).where(Shout.id == shout_id).one()
 
             following = (
-                session.query(ShoutReactionsFollower).where(and_(
-                    ShoutReactionsFollower.follower == user_id,
-                    ShoutReactionsFollower.shout == shout.id,
-                )).first()
+                session.query(ShoutReactionsFollower)
+                .where(
+                    and_(
+                        ShoutReactionsFollower.follower == user_id,
+                        ShoutReactionsFollower.shout == shout.id,
+                    )
+                )
+                .first()
             )
 
             if not following:
                 following = ShoutReactionsFollower.create(
-                    follower=user_id,
-                    shout=shout.id,
-                    auto=auto
+                    follower=user_id, shout=shout.id, auto=auto
                 )
                 session.add(following)
                 session.commit()
@@ -72,10 +69,14 @@ def reactions_unfollow(user_id: int, shout_id: int):
             shout = session.query(Shout).where(Shout.id == shout_id).one()
 
             following = (
-                session.query(ShoutReactionsFollower).where(and_(
-                    ShoutReactionsFollower.follower == user_id,
-                    ShoutReactionsFollower.shout == shout.id
-                )).first()
+                session.query(ShoutReactionsFollower)
+                .where(
+                    and_(
+                        ShoutReactionsFollower.follower == user_id,
+                        ShoutReactionsFollower.shout == shout.id,
+                    )
+                )
+                .first()
             )
 
             if following:
@@ -88,30 +89,31 @@ def reactions_unfollow(user_id: int, shout_id: int):
 
 
 def is_published_author(session, user_id):
-    ''' checks if user has at least one publication '''
-    return session.query(
-        Shout
-    ).where(
-        Shout.authors.contains(user_id)
-    ).filter(
-        and_(
-            Shout.publishedAt.is_not(None),
-            Shout.deletedAt.is_(None)
-        )
-    ).count() > 0
+    """checks if user has at least one publication"""
+    return (
+        session.query(Shout)
+        .where(Shout.authors.contains(user_id))
+        .filter(and_(Shout.publishedAt.is_not(None), Shout.deletedAt.is_(None)))
+        .count()
+        > 0
+    )
 
 
 def check_to_publish(session, user_id, reaction):
-    ''' set shout to public if publicated approvers amount > 4 '''
+    """set shout to public if publicated approvers amount > 4"""
     if not reaction.replyTo and reaction.kind in [
         ReactionKind.ACCEPT,
         ReactionKind.LIKE,
-        ReactionKind.PROOF
+        ReactionKind.PROOF,
     ]:
         if is_published_author(user_id):
             # now count how many approvers are voted already
-            approvers_reactions = session.query(Reaction).where(Reaction.shout == reaction.shout).all()
-            approvers = [user_id, ]
+            approvers_reactions = (
+                session.query(Reaction).where(Reaction.shout == reaction.shout).all()
+            )
+            approvers = [
+                user_id,
+            ]
             for ar in approvers_reactions:
                 a = ar.createdBy
                 if is_published_author(session, a):
@@ -122,11 +124,11 @@ def check_to_publish(session, user_id, reaction):
 
 
 def check_to_hide(session, user_id, reaction):
-    ''' hides any shout if 20% of reactions are negative '''
+    """hides any shout if 20% of reactions are negative"""
     if not reaction.replyTo and reaction.kind in [
         ReactionKind.REJECT,
         ReactionKind.DISLIKE,
-        ReactionKind.DISPROOF
+        ReactionKind.DISPROOF,
     ]:
         # if is_published_author(user):
         approvers_reactions = session.query(Reaction).where(Reaction.shout == reaction.shout).all()
@@ -135,7 +137,7 @@ def check_to_hide(session, user_id, reaction):
             if r.kind in [
                 ReactionKind.REJECT,
                 ReactionKind.DISLIKE,
-                ReactionKind.DISPROOF
+                ReactionKind.DISPROOF,
             ]:
                 rejects += 1
         if len(approvers_reactions) / rejects < 5:
@@ -146,14 +148,14 @@ def check_to_hide(session, user_id, reaction):
 def set_published(session, shout_id):
     s = session.query(Shout).where(Shout.id == shout_id).first()
     s.publishedAt = datetime.now(tz=timezone.utc)
-    s.visibility = text('public')
+    s.visibility = text("public")
     session.add(s)
     session.commit()
 
 
 def set_hidden(session, shout_id):
     s = session.query(Shout).where(Shout.id == shout_id).first()
-    s.visibility = text('community')
+    s.visibility = text("community")
     session.add(s)
     session.commit()
 
@@ -162,37 +164,46 @@ def set_hidden(session, shout_id):
 @login_required
 async def create_reaction(_, info, reaction):
     auth: AuthCredentials = info.context["request"].auth
-    reaction['createdBy'] = auth.user_id
+    reaction["createdBy"] = auth.user_id
     rdict = {}
     with local_session() as session:
         shout = session.query(Shout).where(Shout.id == reaction["shout"]).one()
         author = session.query(User).where(User.id == auth.user_id).one()
 
-        if reaction["kind"] in [
-            ReactionKind.DISLIKE.name,
-            ReactionKind.LIKE.name
-        ]:
-            existing_reaction = session.query(Reaction).where(
-                and_(
-                    Reaction.shout == reaction["shout"],
-                    Reaction.createdBy == auth.user_id,
-                    Reaction.kind == reaction["kind"],
-                    Reaction.replyTo == reaction.get("replyTo")
+        if reaction["kind"] in [ReactionKind.DISLIKE.name, ReactionKind.LIKE.name]:
+            existing_reaction = (
+                session.query(Reaction)
+                .where(
+                    and_(
+                        Reaction.shout == reaction["shout"],
+                        Reaction.createdBy == auth.user_id,
+                        Reaction.kind == reaction["kind"],
+                        Reaction.replyTo == reaction.get("replyTo"),
+                    )
                 )
-            ).first()
+                .first()
+            )
 
             if existing_reaction is not None:
                 raise OperationNotAllowed("You can't vote twice")
 
-            opposite_reaction_kind = ReactionKind.DISLIKE if reaction["kind"] == ReactionKind.LIKE.name else ReactionKind.LIKE
-            opposite_reaction = session.query(Reaction).where(
+            opposite_reaction_kind = (
+                ReactionKind.DISLIKE
+                if reaction["kind"] == ReactionKind.LIKE.name
+                else ReactionKind.LIKE
+            )
+            opposite_reaction = (
+                session.query(Reaction)
+                .where(
                     and_(
                         Reaction.shout == reaction["shout"],
                         Reaction.createdBy == auth.user_id,
                         Reaction.kind == opposite_reaction_kind,
-                        Reaction.replyTo == reaction.get("replyTo")
+                        Reaction.replyTo == reaction.get("replyTo"),
                     )
-                ).first()
+                )
+                .first()
+            )
 
             if opposite_reaction is not None:
                 session.delete(opposite_reaction)
@@ -221,8 +232,8 @@ async def create_reaction(_, info, reaction):
         await notification_service.handle_new_reaction(r.id)
 
         rdict = r.dict()
-        rdict['shout'] = shout.dict()
-        rdict['createdBy'] = author.dict()
+        rdict["shout"] = shout.dict()
+        rdict["createdBy"] = author.dict()
 
         # self-regulation mechanics
         if check_to_hide(session, auth.user_id, r):
@@ -235,11 +246,7 @@ async def create_reaction(_, info, reaction):
     except Exception as e:
         print(f"[resolvers.reactions] error on reactions autofollowing: {e}")
 
-    rdict['stat'] = {
-        "commented": 0,
-        "reacted": 0,
-        "rating": 0
-    }
+    rdict["stat"] = {"commented": 0, "reacted": 0, "rating": 0}
     return {"reaction": rdict}
 
 
@@ -272,7 +279,7 @@ async def update_reaction(_, info, id, reaction={}):
         r.stat = {
             "commented": commented_stat,
             "reacted": reacted_stat,
-            "rating": rating_stat
+            "rating": rating_stat,
         }
 
     return {"reaction": r}
@@ -290,17 +297,12 @@ async def delete_reaction(_, info, id):
         if r.createdBy != auth.user_id:
             return {"error": "access denied"}
 
-        if r.kind in [
-            ReactionKind.LIKE,
-            ReactionKind.DISLIKE
-        ]:
+        if r.kind in [ReactionKind.LIKE, ReactionKind.DISLIKE]:
             session.delete(r)
         else:
             r.deletedAt = datetime.now(tz=timezone.utc)
         session.commit()
-        return {
-            "reaction": r
-        }
+        return {"reaction": r}
 
 
 @query.field("loadReactionsBy")
@@ -321,12 +323,10 @@ async def load_reactions_by(_, _info, by, limit=50, offset=0):
     :return: Reaction[]
     """
 
-    q = select(
-        Reaction, User, Shout
-    ).join(
-        User, Reaction.createdBy == User.id
-    ).join(
-        Shout, Reaction.shout == Shout.id
+    q = (
+        select(Reaction, User, Shout)
+        .join(User, Reaction.createdBy == User.id)
+        .join(Shout, Reaction.shout == Shout.id)
     )
 
     if by.get("shout"):
@@ -344,7 +344,7 @@ async def load_reactions_by(_, _info, by, limit=50, offset=0):
     if by.get("comment"):
         q = q.filter(func.length(Reaction.body) > 0)
 
-    if len(by.get('search', '')) > 2:
+    if len(by.get("search", "")) > 2:
         q = q.filter(Reaction.body.ilike(f'%{by["body"]}%'))
 
     if by.get("days"):
@@ -352,13 +352,9 @@ async def load_reactions_by(_, _info, by, limit=50, offset=0):
         q = q.filter(Reaction.createdAt > after)
 
     order_way = asc if by.get("sort", "").startswith("-") else desc
-    order_field = by.get("sort", "").replace('-', '') or Reaction.createdAt
+    order_field = by.get("sort", "").replace("-", "") or Reaction.createdAt
 
-    q = q.group_by(
-        Reaction.id, User.id, Shout.id
-    ).order_by(
-        order_way(order_field)
-    )
+    q = q.group_by(Reaction.id, User.id, Shout.id).order_by(order_way(order_field))
 
     q = add_reaction_stat_columns(q)
 
@@ -367,13 +363,20 @@ async def load_reactions_by(_, _info, by, limit=50, offset=0):
     reactions = []
 
     with local_session() as session:
-        for [reaction, user, shout, reacted_stat, commented_stat, rating_stat] in session.execute(q):
+        for [
+            reaction,
+            user,
+            shout,
+            reacted_stat,
+            commented_stat,
+            rating_stat,
+        ] in session.execute(q):
             reaction.createdBy = user
             reaction.shout = shout
             reaction.stat = {
                 "rating": rating_stat,
                 "commented": commented_stat,
-                "reacted": reacted_stat
+                "reacted": reacted_stat,
             }
 
             reaction.kind = reaction.kind.name
diff --git a/resolvers/zine/topics.py b/resolvers/zine/topics.py
index f354a7b4..f24065cd 100644
--- a/resolvers/zine/topics.py
+++ b/resolvers/zine/topics.py
@@ -1,24 +1,24 @@
-from sqlalchemy import and_, select, distinct, func
-from sqlalchemy.orm import aliased
-
 from auth.authenticate import login_required
 from base.orm import local_session
 from base.resolvers import mutation, query
-from orm.shout import ShoutTopic, ShoutAuthor
-from orm.topic import Topic, TopicFollower
 from orm import User
+from orm.shout import ShoutAuthor, ShoutTopic
+from orm.topic import Topic, TopicFollower
+from sqlalchemy import and_, distinct, func, select
+from sqlalchemy.orm import aliased
 
 
 def add_topic_stat_columns(q):
     aliased_shout_author = aliased(ShoutAuthor)
     aliased_topic_follower = aliased(TopicFollower)
 
-    q = q.outerjoin(ShoutTopic, Topic.id == ShoutTopic.topic).add_columns(
-        func.count(distinct(ShoutTopic.shout)).label('shouts_stat')
-    ).outerjoin(aliased_shout_author, ShoutTopic.shout == aliased_shout_author.shout).add_columns(
-        func.count(distinct(aliased_shout_author.user)).label('authors_stat')
-    ).outerjoin(aliased_topic_follower).add_columns(
-        func.count(distinct(aliased_topic_follower.follower)).label('followers_stat')
+    q = (
+        q.outerjoin(ShoutTopic, Topic.id == ShoutTopic.topic)
+        .add_columns(func.count(distinct(ShoutTopic.shout)).label("shouts_stat"))
+        .outerjoin(aliased_shout_author, ShoutTopic.shout == aliased_shout_author.shout)
+        .add_columns(func.count(distinct(aliased_shout_author.user)).label("authors_stat"))
+        .outerjoin(aliased_topic_follower)
+        .add_columns(func.count(distinct(aliased_topic_follower.follower)).label("followers_stat"))
     )
 
     q = q.group_by(Topic.id)
@@ -31,7 +31,7 @@ def add_stat(topic, stat_columns):
     topic.stat = {
         "shouts": shouts_stat,
         "authors": authors_stat,
-        "followers": followers_stat
+        "followers": followers_stat,
     }
 
     return topic
@@ -133,12 +133,10 @@ def topic_unfollow(user_id, slug):
     try:
         with local_session() as session:
             sub = (
-                session.query(TopicFollower).join(Topic).filter(
-                    and_(
-                        TopicFollower.follower == user_id,
-                        Topic.slug == slug
-                    )
-                ).first()
+                session.query(TopicFollower)
+                .join(Topic)
+                .filter(and_(TopicFollower.follower == user_id, Topic.slug == slug))
+                .first()
             )
             if sub:
                 session.delete(sub)
diff --git a/server.py b/server.py
index 753c60ae..a491c30d 100644
--- a/server.py
+++ b/server.py
@@ -1,8 +1,8 @@
-import sys
-import os
-import uvicorn
+from settings import DEV_SERVER_PID_FILE_NAME, PORT
 
-from settings import PORT, DEV_SERVER_PID_FILE_NAME
+import os
+import sys
+import uvicorn
 
 
 def exception_handler(exception_type, exception, traceback, debug_hook=sys.excepthook):
@@ -10,47 +10,36 @@ def exception_handler(exception_type, exception, traceback, debug_hook=sys.excep
 
 
 log_settings = {
-    'version': 1,
-    'disable_existing_loggers': True,
-    'formatters': {
-        'default': {
-            '()': 'uvicorn.logging.DefaultFormatter',
-            'fmt': '%(levelprefix)s %(message)s',
-            'use_colors': None
+    "version": 1,
+    "disable_existing_loggers": True,
+    "formatters": {
+        "default": {
+            "()": "uvicorn.logging.DefaultFormatter",
+            "fmt": "%(levelprefix)s %(message)s",
+            "use_colors": None,
+        },
+        "access": {
+            "()": "uvicorn.logging.AccessFormatter",
+            "fmt": '%(levelprefix)s %(client_addr)s - "%(request_line)s" %(status_code)s',
         },
-        'access': {
-            '()': 'uvicorn.logging.AccessFormatter',
-            'fmt': '%(levelprefix)s %(client_addr)s - "%(request_line)s" %(status_code)s'
-        }
     },
-    'handlers': {
-        'default': {
-            'formatter': 'default',
-            'class': 'logging.StreamHandler',
-            'stream': 'ext://sys.stderr'
+    "handlers": {
+        "default": {
+            "formatter": "default",
+            "class": "logging.StreamHandler",
+            "stream": "ext://sys.stderr",
+        },
+        "access": {
+            "formatter": "access",
+            "class": "logging.StreamHandler",
+            "stream": "ext://sys.stdout",
         },
-        'access': {
-            'formatter': 'access',
-            'class': 'logging.StreamHandler',
-            'stream': 'ext://sys.stdout'
-        }
     },
-    'loggers': {
-        'uvicorn': {
-            'handlers': ['default'],
-            'level': 'INFO'
-        },
-        'uvicorn.error': {
-            'level': 'INFO',
-            'handlers': ['default'],
-            'propagate': True
-        },
-        'uvicorn.access': {
-            'handlers': ['access'],
-            'level': 'INFO',
-            'propagate': False
-        }
-    }
+    "loggers": {
+        "uvicorn": {"handlers": ["default"], "level": "INFO"},
+        "uvicorn.error": {"level": "INFO", "handlers": ["default"], "propagate": True},
+        "uvicorn.access": {"handlers": ["access"], "level": "INFO", "propagate": False},
+    },
 }
 
 local_headers = [
@@ -58,7 +47,8 @@ local_headers = [
     ("Access-Control-Allow-Origin", "https://localhost:3000"),
     (
         "Access-Control-Allow-Headers",
-        "DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Authorization",
+        "DNT,User-Agent,X-Requested-With,If-Modified-Since,"
+        + "Cache-Control,Content-Type,Range,Authorization",
     ),
     ("Access-Control-Expose-Headers", "Content-Length,Content-Range"),
     ("Access-Control-Allow-Credentials", "true"),
@@ -86,15 +76,17 @@ if __name__ == "__main__":
             # log_config=log_settings,
             log_level=None,
             access_log=True,
-            reload=want_reload
+            reload=want_reload,
         )  # , ssl_keyfile="discours.key", ssl_certfile="discours.crt")
     elif x == "migrate":
         from migration import process
+
         print("MODE: MIGRATE")
 
         process()
     elif x == "bson":
         from migration.bson2json import json_tables
+
         print("MODE: BSON")
 
         json_tables()
@@ -105,5 +97,5 @@ if __name__ == "__main__":
             host="0.0.0.0",
             port=PORT,
             proxy_headers=True,
-            server_header=True
+            server_header=True,
         )
diff --git a/services/following.py b/services/following.py
index 8410eb2d..a2be6af4 100644
--- a/services/following.py
+++ b/services/following.py
@@ -18,12 +18,7 @@ class Following:
 
 class FollowingManager:
     lock = asyncio.Lock()
-    data = {
-        'author': [],
-        'topic': [],
-        'shout': [],
-        'chat': []
-    }
+    data = {"author": [], "topic": [], "shout": [], "chat": []}
 
     @staticmethod
     async def register(kind, uid):
@@ -39,13 +34,13 @@ class FollowingManager:
     async def push(kind, payload):
         try:
             async with FollowingManager.lock:
-                if kind == 'chat':
-                    for chat in FollowingManager['chat']:
+                if kind == "chat":
+                    for chat in FollowingManager["chat"]:
                         if payload.message["chatId"] == chat.uid:
                             chat.queue.put_nowait(payload)
                 else:
                     for entity in FollowingManager[kind]:
-                        if payload.shout['createdBy'] == entity.uid:
+                        if payload.shout["createdBy"] == entity.uid:
                             entity.queue.put_nowait(payload)
         except Exception as e:
             print(Exception(e))
diff --git a/services/main.py b/services/main.py
index 10301b86..6397a5e5 100644
--- a/services/main.py
+++ b/services/main.py
@@ -1,13 +1,13 @@
+from base.orm import local_session
 from services.search import SearchService
 from services.stat.viewed import ViewedStorage
-from base.orm import local_session
 
 
 async def storages_init():
     with local_session() as session:
-        print('[main] initialize SearchService')
+        print("[main] initialize SearchService")
         await SearchService.init(session)
-        print('[main] SearchService initialized')
-        print('[main] initialize storages')
+        print("[main] SearchService initialized")
+        print("[main] initialize storages")
         await ViewedStorage.init()
-        print('[main] storages initialized')
+        print("[main] storages initialized")
diff --git a/services/notifications/notification_service.py b/services/notifications/notification_service.py
index 7e92aa95..ade98763 100644
--- a/services/notifications/notification_service.py
+++ b/services/notifications/notification_service.py
@@ -1,21 +1,17 @@
-import asyncio
-import json
-from datetime import datetime, timezone
-
-from sqlalchemy import and_
-
 from base.orm import local_session
-from orm import Reaction, Shout, Notification, User
+from datetime import datetime, timezone
+from orm import Notification, Reaction, Shout, User
 from orm.notification import NotificationType
 from orm.reaction import ReactionKind
 from services.notifications.sse import connection_manager
+from sqlalchemy import and_
+
+import asyncio
+import json
 
 
 def shout_to_shout_data(shout):
-    return {
-        "title": shout.title,
-        "slug": shout.slug
-    }
+    return {"title": shout.title, "slug": shout.slug}
 
 
 def user_to_user_data(user):
@@ -23,14 +19,14 @@ def user_to_user_data(user):
         "id": user.id,
         "name": user.name,
         "slug": user.slug,
-        "userpic": user.userpic
+        "userpic": user.userpic,
     }
 
 
 def update_prev_notification(notification, user, reaction):
     notification_data = json.loads(notification.data)
 
-    notification_data["users"] = [u for u in notification_data["users"] if u['id'] != user.id]
+    notification_data["users"] = [u for u in notification_data["users"] if u["id"] != user.id]
     notification_data["users"].append(user_to_user_data(user))
 
     if notification_data["reactionIds"] is None:
@@ -57,34 +53,45 @@ class NewReactionNotificator:
             if reaction.kind == ReactionKind.COMMENT:
                 parent_reaction = None
                 if reaction.replyTo:
-                    parent_reaction = session.query(Reaction).where(Reaction.id == reaction.replyTo).one()
+                    parent_reaction = (
+                        session.query(Reaction).where(Reaction.id == reaction.replyTo).one()
+                    )
                     if parent_reaction.createdBy != reaction.createdBy:
-                        prev_new_reply_notification = session.query(Notification).where(
-                            and_(
-                                Notification.user == shout.createdBy,
-                                Notification.type == NotificationType.NEW_REPLY,
-                                Notification.shout == shout.id,
-                                Notification.reaction == parent_reaction.id,
-                                Notification.seen == False
+                        prev_new_reply_notification = (
+                            session.query(Notification)
+                            .where(
+                                and_(
+                                    Notification.user == shout.createdBy,
+                                    Notification.type == NotificationType.NEW_REPLY,
+                                    Notification.shout == shout.id,
+                                    Notification.reaction == parent_reaction.id,
+                                    Notification.seen == False,  # noqa: E712
+                                )
                             )
-                        ).first()
+                            .first()
+                        )
 
                         if prev_new_reply_notification:
                             update_prev_notification(prev_new_reply_notification, user, reaction)
                         else:
-                            reply_notification_data = json.dumps({
-                                "shout": shout_to_shout_data(shout),
-                                "users": [user_to_user_data(user)],
-                                "reactionIds": [reaction.id]
-                            }, ensure_ascii=False)
+                            reply_notification_data = json.dumps(
+                                {
+                                    "shout": shout_to_shout_data(shout),
+                                    "users": [user_to_user_data(user)],
+                                    "reactionIds": [reaction.id],
+                                },
+                                ensure_ascii=False,
+                            )
 
-                            reply_notification = Notification.create(**{
-                                "user": parent_reaction.createdBy,
-                                "type": NotificationType.NEW_REPLY,
-                                "shout": shout.id,
-                                "reaction": parent_reaction.id,
-                                "data": reply_notification_data
-                            })
+                            reply_notification = Notification.create(
+                                **{
+                                    "user": parent_reaction.createdBy,
+                                    "type": NotificationType.NEW_REPLY,
+                                    "shout": shout.id,
+                                    "reaction": parent_reaction.id,
+                                    "data": reply_notification_data,
+                                }
+                            )
 
                             session.add(reply_notification)
 
@@ -93,30 +100,39 @@ class NewReactionNotificator:
                 if reaction.createdBy != shout.createdBy and (
                     parent_reaction is None or parent_reaction.createdBy != shout.createdBy
                 ):
-                    prev_new_comment_notification = session.query(Notification).where(
-                        and_(
-                            Notification.user == shout.createdBy,
-                            Notification.type == NotificationType.NEW_COMMENT,
-                            Notification.shout == shout.id,
-                            Notification.seen == False
+                    prev_new_comment_notification = (
+                        session.query(Notification)
+                        .where(
+                            and_(
+                                Notification.user == shout.createdBy,
+                                Notification.type == NotificationType.NEW_COMMENT,
+                                Notification.shout == shout.id,
+                                Notification.seen == False,  # noqa: E712
+                            )
                         )
-                    ).first()
+                        .first()
+                    )
 
                     if prev_new_comment_notification:
                         update_prev_notification(prev_new_comment_notification, user, reaction)
                     else:
-                        notification_data_string = json.dumps({
-                            "shout": shout_to_shout_data(shout),
-                            "users": [user_to_user_data(user)],
-                            "reactionIds": [reaction.id]
-                        }, ensure_ascii=False)
+                        notification_data_string = json.dumps(
+                            {
+                                "shout": shout_to_shout_data(shout),
+                                "users": [user_to_user_data(user)],
+                                "reactionIds": [reaction.id],
+                            },
+                            ensure_ascii=False,
+                        )
 
-                        author_notification = Notification.create(**{
-                            "user": shout.createdBy,
-                            "type": NotificationType.NEW_COMMENT,
-                            "shout": shout.id,
-                            "data": notification_data_string
-                        })
+                        author_notification = Notification.create(
+                            **{
+                                "user": shout.createdBy,
+                                "type": NotificationType.NEW_COMMENT,
+                                "shout": shout.id,
+                                "data": notification_data_string,
+                            }
+                        )
 
                         session.add(author_notification)
 
@@ -142,7 +158,7 @@ class NotificationService:
             try:
                 await notificator.run()
             except Exception as e:
-                print(f'[NotificationService.worker] error: {str(e)}')
+                print(f"[NotificationService.worker] error: {str(e)}")
 
 
 notification_service = NotificationService()
diff --git a/services/notifications/sse.py b/services/notifications/sse.py
index 085dbde0..23352344 100644
--- a/services/notifications/sse.py
+++ b/services/notifications/sse.py
@@ -1,8 +1,8 @@
-import json
-
 from sse_starlette.sse import EventSourceResponse
 from starlette.requests import Request
+
 import asyncio
+import json
 
 
 class ConnectionManager:
@@ -28,9 +28,7 @@ class ConnectionManager:
             return
 
         for connection in self.connections_by_user_id[user_id]:
-            data = {
-                "type": "newNotifications"
-            }
+            data = {"type": "newNotifications"}
             data_string = json.dumps(data, ensure_ascii=False)
             await connection.put(data_string)
 
diff --git a/services/search.py b/services/search.py
index 834e5bf7..ffcd32b5 100644
--- a/services/search.py
+++ b/services/search.py
@@ -1,9 +1,10 @@
-import asyncio
-import json
 from base.redis import redis
 from orm.shout import Shout
 from resolvers.zine.load import load_shouts_by
 
+import asyncio
+import json
+
 
 class SearchService:
     lock = asyncio.Lock()
@@ -12,7 +13,7 @@ class SearchService:
     @staticmethod
     async def init(session):
         async with SearchService.lock:
-            print('[search.service] did nothing')
+            print("[search.service] did nothing")
             SearchService.cache = {}
 
     @staticmethod
@@ -24,7 +25,7 @@ class SearchService:
                     "title": text,
                     "body": text,
                     "limit": limit,
-                    "offset": offset
+                    "offset": offset,
                 }
                 payload = await load_shouts_by(None, None, options)
                 await redis.execute("SET", text, json.dumps(payload))
diff --git a/services/stat/viewed.py b/services/stat/viewed.py
index 905ade43..ce5070b2 100644
--- a/services/stat/viewed.py
+++ b/services/stat/viewed.py
@@ -1,18 +1,17 @@
-import asyncio
-import time
-from datetime import timedelta, timezone, datetime
+from base.orm import local_session
+from datetime import datetime, timedelta, timezone
+from gql import Client, gql
+from gql.transport.aiohttp import AIOHTTPTransport
+from orm import Topic
+from orm.shout import Shout, ShoutTopic
 from os import environ, path
 from ssl import create_default_context
 
-from gql import Client, gql
-from gql.transport.aiohttp import AIOHTTPTransport
-from sqlalchemy import func
+import asyncio
+import time
 
-from base.orm import local_session
-from orm import User, Topic
-from orm.shout import ShoutTopic, Shout
-
-load_facts = gql("""
+load_facts = gql(
+    """
 query getDomains {
     domains {
         id
@@ -25,9 +24,11 @@ query getDomains {
         }
     }
 }
-""")
+"""
+)
 
-load_pages = gql("""
+load_pages = gql(
+    """
 query getDomains {
     domains {
     title
@@ -41,8 +42,9 @@ query getDomains {
         }
     }
 }
-""")
-schema_str = open(path.dirname(__file__) + '/ackee.graphql').read()
+"""
+)
+schema_str = open(path.dirname(__file__) + "/ackee.graphql").read()
 token = environ.get("ACKEE_TOKEN", "")
 
 
@@ -52,8 +54,8 @@ def create_client(headers=None, schema=None):
         transport=AIOHTTPTransport(
             url="https://ackee.discours.io/api",
             ssl=create_default_context(),
-            headers=headers
-        )
+            headers=headers,
+        ),
     )
 
 
@@ -71,13 +73,13 @@ class ViewedStorage:
 
     @staticmethod
     async def init():
-        """ graphql client connection using permanent token """
+        """graphql client connection using permanent token"""
         self = ViewedStorage
         async with self.lock:
             if token:
-                self.client = create_client({
-                    "Authorization": "Bearer %s" % str(token)
-                }, schema=schema_str)
+                self.client = create_client(
+                    {"Authorization": "Bearer %s" % str(token)}, schema=schema_str
+                )
                 print("[stat.viewed] * authorized permanentely by ackee.discours.io: %s" % token)
             else:
                 print("[stat.viewed] * please set ACKEE_TOKEN")
@@ -85,7 +87,7 @@ class ViewedStorage:
 
     @staticmethod
     async def update_pages():
-        """ query all the pages from ackee sorted by views count """
+        """query all the pages from ackee sorted by views count"""
         print("[stat.viewed] ⎧ updating ackee pages data ---")
         start = time.time()
         self = ViewedStorage
@@ -96,7 +98,7 @@ class ViewedStorage:
             try:
                 for page in self.pages:
                     p = page["value"].split("?")[0]
-                    slug = p.split('discours.io/')[-1]
+                    slug = p.split("discours.io/")[-1]
                     shouts[slug] = page["count"]
                 for slug in shouts.keys():
                     await ViewedStorage.increment(slug, shouts[slug])
@@ -118,7 +120,7 @@ class ViewedStorage:
     # unused yet
     @staticmethod
     async def get_shout(shout_slug):
-        """ getting shout views metric by slug """
+        """getting shout views metric by slug"""
         self = ViewedStorage
         async with self.lock:
             shout_views = self.by_shouts.get(shout_slug)
@@ -136,7 +138,7 @@ class ViewedStorage:
 
     @staticmethod
     async def get_topic(topic_slug):
-        """ getting topic views value summed """
+        """getting topic views value summed"""
         self = ViewedStorage
         topic_views = 0
         async with self.lock:
@@ -146,24 +148,28 @@ class ViewedStorage:
 
     @staticmethod
     def update_topics(session, shout_slug):
-        """ updates topics counters by shout slug """
+        """updates topics counters by shout slug"""
         self = ViewedStorage
-        for [shout_topic, topic] in session.query(ShoutTopic, Topic).join(Topic).join(Shout).where(
-            Shout.slug == shout_slug
-        ).all():
+        for [shout_topic, topic] in (
+            session.query(ShoutTopic, Topic)
+            .join(Topic)
+            .join(Shout)
+            .where(Shout.slug == shout_slug)
+            .all()
+        ):
             if not self.by_topics.get(topic.slug):
                 self.by_topics[topic.slug] = {}
             self.by_topics[topic.slug][shout_slug] = self.by_shouts[shout_slug]
 
     @staticmethod
-    async def increment(shout_slug, amount=1, viewer='ackee'):
-        """ the only way to change views counter """
+    async def increment(shout_slug, amount=1, viewer="ackee"):
+        """the only way to change views counter"""
         self = ViewedStorage
         async with self.lock:
             # TODO optimize, currenty we execute 1 DB transaction per shout
             with local_session() as session:
                 shout = session.query(Shout).where(Shout.slug == shout_slug).one()
-                if viewer == 'old-discours':
+                if viewer == "old-discours":
                     # this is needed for old db migration
                     if shout.viewsOld == amount:
                         print(f"viewsOld amount: {amount}")
@@ -185,7 +191,7 @@ class ViewedStorage:
 
     @staticmethod
     async def worker():
-        """ async task worker """
+        """async task worker"""
         failed = 0
         self = ViewedStorage
         if self.disabled:
@@ -205,9 +211,10 @@ class ViewedStorage:
             if failed == 0:
                 when = datetime.now(timezone.utc) + timedelta(seconds=self.period)
                 t = format(when.astimezone().isoformat())
-                print("[stat.viewed] ⎩ next update: %s" % (
-                    t.split("T")[0] + " " + t.split("T")[1].split(".")[0]
-                ))
+                print(
+                    "[stat.viewed] ⎩ next update: %s"
+                    % (t.split("T")[0] + " " + t.split("T")[1].split(".")[0])
+                )
                 await asyncio.sleep(self.period)
             else:
                 await asyncio.sleep(10)
diff --git a/services/zine/gittask.py b/services/zine/gittask.py
index 31e55025..6c6ce440 100644
--- a/services/zine/gittask.py
+++ b/services/zine/gittask.py
@@ -1,8 +1,8 @@
+from pathlib import Path
+from settings import SHOUTS_REPO
+
 import asyncio
 import subprocess
-from pathlib import Path
-
-from settings import SHOUTS_REPO
 
 
 class GitTask:
diff --git a/settings.py b/settings.py
index 270b4551..f3da9952 100644
--- a/settings.py
+++ b/settings.py
@@ -3,8 +3,9 @@ from os import environ
 PORT = 8080
 
 DB_URL = (
-    environ.get("DATABASE_URL") or environ.get("DB_URL") or
-    "postgresql://postgres@localhost:5432/discoursio"
+    environ.get("DATABASE_URL")
+    or environ.get("DB_URL")
+    or "postgresql://postgres@localhost:5432/discoursio"
 )
 JWT_ALGORITHM = "HS256"
 JWT_SECRET_KEY = environ.get("JWT_SECRET_KEY") or "8f1bd7696ffb482d8486dfbc6e7d16dd-secret-key"
@@ -30,4 +31,4 @@ SENTRY_DSN = environ.get("SENTRY_DSN")
 SESSION_SECRET_KEY = environ.get("SESSION_SECRET_KEY") or "!secret"
 
 # for local development
-DEV_SERVER_PID_FILE_NAME = 'dev-server.pid'
+DEV_SERVER_PID_FILE_NAME = "dev-server.pid"
diff --git a/setup.cfg b/setup.cfg
old mode 100755
new mode 100644
index 588918a1..e3db2ef9
--- a/setup.cfg
+++ b/setup.cfg
@@ -9,15 +9,16 @@ force_alphabetical_sort = false
 
 [tool:brunette]
 # https://github.com/odwyersoftware/brunette
-line-length = 120
+line-length = 100
 single-quotes = false
 
 [flake8]
 # https://github.com/PyCQA/flake8
 exclude = .git,__pycache__,.mypy_cache,.vercel
-max-line-length = 120
-max-complexity = 15
+max-line-length = 100
+max-complexity = 10
 select = B,C,E,F,W,T4,B9
+# FIXME
 # E203: Whitespace before ':'
 # E266: Too many leading '#' for block comment
 # E501: Line too long (82 > 79 characters)
diff --git a/setup.cfg.bak b/setup.cfg.bak
new file mode 100644
index 00000000..588918a1
--- /dev/null
+++ b/setup.cfg.bak
@@ -0,0 +1,39 @@
+[isort]
+# https://github.com/PyCQA/isort
+line_length = 120
+multi_line_output = 3
+include_trailing_comma = true
+force_grid_wrap = 0
+use_parentheses = true
+force_alphabetical_sort = false
+
+[tool:brunette]
+# https://github.com/odwyersoftware/brunette
+line-length = 120
+single-quotes = false
+
+[flake8]
+# https://github.com/PyCQA/flake8
+exclude = .git,__pycache__,.mypy_cache,.vercel
+max-line-length = 120
+max-complexity = 15
+select = B,C,E,F,W,T4,B9
+# E203: Whitespace before ':'
+# E266: Too many leading '#' for block comment
+# E501: Line too long (82 > 79 characters)
+# E722: Do not use bare except, specify exception instead
+# W503: Line break occurred before a binary operator
+# F403: 'from module import *' used; unable to detect undefined names
+# C901: Function is too complex
+ignore = E203,E266,E501,E722,W503,F403,C901
+
+[mypy]
+# https://github.com/python/mypy
+ignore_missing_imports = true
+warn_return_any = false
+warn_unused_configs = true
+disallow_untyped_calls = true
+disallow_untyped_defs = true
+disallow_incomplete_defs = true
+[mypy-api.*]
+ignore_errors = true
diff --git a/validations/auth.py b/validations/auth.py
index 216d7dcb..59c49bd4 100644
--- a/validations/auth.py
+++ b/validations/auth.py
@@ -1,5 +1,5 @@
-from typing import Optional, Text
 from pydantic import BaseModel
+from typing import Optional, Text
 
 
 class AuthInput(BaseModel):
diff --git a/validations/inbox.py b/validations/inbox.py
index d03cca05..d864ed67 100644
--- a/validations/inbox.py
+++ b/validations/inbox.py
@@ -1,5 +1,5 @@
-from typing import Optional, Text, List
 from pydantic import BaseModel
+from typing import List, Optional, Text
 
 
 class Message(BaseModel):