diff --git a/main.py b/main.py
index c71f09b..dac7bc2 100644
--- a/main.py
+++ b/main.py
@@ -9,9 +9,9 @@ from sentry_sdk.integrations.ariadne import AriadneIntegration
 from sentry_sdk.integrations.redis import RedisIntegration
 from starlette.applications import Starlette
 
-from services.schema import resolvers
 from services.rediscache import redis
-from settings import DEV_SERVER_PID_FILE_NAME, SENTRY_DSN, MODE
+from services.schema import resolvers
+from settings import DEV_SERVER_PID_FILE_NAME, MODE, SENTRY_DSN
 
 import_module("resolvers")
 schema = make_executable_schema(load_schema_from_path("inbox.graphql"), resolvers)  # type: ignore
diff --git a/models/chat.py b/models/chat.py
index e2506f6..6309d9c 100644
--- a/models/chat.py
+++ b/models/chat.py
@@ -1,4 +1,4 @@
-from typing import TypedDict, Optional, List
+from typing import List, Optional, TypedDict
 
 from models.member import ChatMember
 from models.message import Message
diff --git a/models/member.py b/models/member.py
index c61e157..a885903 100644
--- a/models/member.py
+++ b/models/member.py
@@ -1,4 +1,4 @@
-from typing import TypedDict, Optional
+from typing import Optional, TypedDict
 
 
 class ChatMember(TypedDict):
diff --git a/models/message.py b/models/message.py
index 2e44d42..0db0ee6 100644
--- a/models/message.py
+++ b/models/message.py
@@ -1,4 +1,4 @@
-from typing import TypedDict, Optional
+from typing import Optional, TypedDict
 
 
 class Message(TypedDict):
diff --git a/pyproject.toml b/pyproject.toml
index 108f494..50ec275 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,27 +6,27 @@ authors = ["Tony Rewin <anton.rewin@gmail.com>"]
 
 [tool.poetry.dependencies]
 python = "^3.12"
-sentry-sdk = "^1.32.0"
+sentry-sdk = "^1.39.1"
 redis = { extras = ["hiredis"], version = "^5.0.1" }
 ariadne = "^0.21"
-starlette = "^0.32"
+starlette = "^0.34.0"
 uvicorn = "^0.24"
 itsdangerous = "^2.1.2"
 aiohttp = "^3.9.1"
 
 [tool.poetry.group.dev.dependencies]
 setuptools = "^69.0.2"
+isort = "^5.13.2"
+pyright = "^1.1.341"
+mypy = "^1.7.1"
+ruff = "^0.1.8"
+black = "^23.12.0"
+pytest = "^7.4.3"
 
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
 
-[tool.poetry.dev-dependencies]
-pytest = "^7.4.2"
-black = { version = "^23.9.1", python = ">=3.12" }
-ruff = { version = "^0.1.0", python = ">=3.12" }
-setuptools = "^69.0.2"
-
 [tool.black]
 line-length = 120
 target-version = ['py312']
diff --git a/resolvers/__init__.py b/resolvers/__init__.py
index 9183caf..339805b 100644
--- a/resolvers/__init__.py
+++ b/resolvers/__init__.py
@@ -1,12 +1,7 @@
 from resolvers.chats import create_chat, delete_chat, update_chat
 from resolvers.load import load_chats, load_messages_by, load_recipients
-from resolvers.messages import (
-    create_message,
-    delete_message,
-    update_message,
-    mark_as_read,
-)
-from resolvers.search import search_recipients, search_messages
+from resolvers.messages import create_message, delete_message, mark_as_read, update_message
+from resolvers.search import search_messages, search_recipients
 
 __all__ = [
     # inbox
diff --git a/resolvers/chats.py b/resolvers/chats.py
index 2bd96a7..ea71907 100644
--- a/resolvers/chats.py
+++ b/resolvers/chats.py
@@ -1,12 +1,12 @@
 import json
-import uuid
 import time
+import uuid
 
+from models.chat import Chat, ChatUpdate
 from services.auth import login_required
+from services.presence import notify_chat
 from services.rediscache import redis
 from services.schema import mutation
-from models.chat import Chat, ChatUpdate
-from services.presence import notify_chat
 
 
 @mutation.field("update_chat")
diff --git a/resolvers/load.py b/resolvers/load.py
index 70d8fb9..34b0237 100644
--- a/resolvers/load.py
+++ b/resolvers/load.py
@@ -2,13 +2,13 @@ import asyncio
 import json
 from typing import Any, Dict, List, Optional, Union
 
-from services.auth import login_required
-from services.core import get_my_followed, get_all_authors
-from services.rediscache import redis
-from services.schema import query
-from models.chat import Message, ChatPayload
+from models.chat import ChatPayload, Message
 from models.member import ChatMember
 from resolvers.chats import create_chat
+from services.auth import login_required
+from services.core import get_all_authors, get_my_followed
+from services.rediscache import redis
+from services.schema import query
 
 
 async def get_unread_counter(chat_id: str, member_id: int) -> int:
diff --git a/resolvers/messages.py b/resolvers/messages.py
index 555b060..03ca47a 100644
--- a/resolvers/messages.py
+++ b/resolvers/messages.py
@@ -1,11 +1,11 @@
 import json
 import time
 
+from models.chat import Message
 from services.auth import login_required
 from services.presence import notify_message
 from services.rediscache import redis
 from services.schema import mutation
-from models.chat import Message
 
 
 @mutation.field("create_message")
diff --git a/resolvers/search.py b/resolvers/search.py
index 87553b3..636990c 100644
--- a/resolvers/search.py
+++ b/resolvers/search.py
@@ -1,6 +1,6 @@
 import json
-from datetime import datetime, timezone, timedelta
-from typing import Dict, Union, List, Any
+from datetime import datetime, timedelta, timezone
+from typing import Any, Dict, List, Union
 
 from resolvers.load import load_messages
 from services.auth import login_required
diff --git a/services/auth.py b/services/auth.py
index bb3ce6c..1e3966b 100644
--- a/services/auth.py
+++ b/services/auth.py
@@ -1,8 +1,9 @@
-from services.core import get_author
 from functools import wraps
+
 import aiohttp
 from aiohttp.web import HTTPUnauthorized
 
+from services.core import get_author
 from settings import AUTH_URL
 
 
@@ -12,7 +13,7 @@ async def check_auth(req) -> (bool, int | None):
         # Logging the authentication token
         print(f"[services.auth] checking auth token: {token}")
         query_name = "validate_jwt_token"
-        opeation = "ValidateToken"
+        operation = "ValidateToken"
         headers = {
             "Content-Type": "application/json",
         }
@@ -20,14 +21,14 @@ async def check_auth(req) -> (bool, int | None):
         variables = {
             "params": {
                 "token_type": "access_token",
-                "token": token.encode("utf-8"),
+                "token": token,
             }
         }
 
         gql = {
-            "query": f"query {opeation}($params: ValidateJWTTokenInput!) {{ {query_name}(params: $params) {{ is_valid claims }} }}",
+            "query": f"query {operation}($params: ValidateJWTTokenInput!) {{ {query_name}(params: $params) {{ is_valid claims }} }}",
             "variables": variables,
-            "operationName": opeation,
+            "operationName": operation,
         }
         print(f"[services.auth] Graphql: {gql}")
         try:
diff --git a/services/core.py b/services/core.py
index abe8733..6ceac92 100644
--- a/services/core.py
+++ b/services/core.py
@@ -1,7 +1,9 @@
+from typing import Any, List
+
 import aiohttp
-from settings import API_BASE
-from typing import List, Any
+
 from models.member import ChatMember
+from settings import API_BASE
 
 headers = {"Content-Type": "application/json"}
 
diff --git a/services/presence.py b/services/presence.py
index 99b5915..bdec2df 100644
--- a/services/presence.py
+++ b/services/presence.py
@@ -1,7 +1,7 @@
 import json
 
+from models.chat import ChatUpdate, Message
 from services.rediscache import redis
-from models.chat import Message, ChatUpdate
 
 
 async def notify_message(message: Message, action="create"):
diff --git a/services/rediscache.py b/services/rediscache.py
index 5282471..d878609 100644
--- a/services/rediscache.py
+++ b/services/rediscache.py
@@ -1,4 +1,5 @@
 import redis.asyncio as aredis
+
 from settings import REDIS_URL
 
 
diff --git a/services/schema.py b/services/schema.py
index fa33eb3..f96e7fa 100644
--- a/services/schema.py
+++ b/services/schema.py
@@ -1,4 +1,4 @@
-from ariadne import QueryType, MutationType
+from ariadne import MutationType, QueryType
 
 query = QueryType()
 mutation = MutationType()