diff --git a/resolvers/author.py b/resolvers/author.py
index 4a748ff8..8d4ba22b 100644
--- a/resolvers/author.py
+++ b/resolvers/author.py
@@ -9,7 +9,12 @@ from sqlalchemy_searchable import search
 from orm.author import Author, AuthorFollower
 from orm.shout import ShoutAuthor, ShoutTopic
 from orm.topic import Topic
-from resolvers.stat import get_authors_with_stat_cached, author_follows_authors, author_follows_topics, get_with_stat
+from resolvers.stat import (
+    get_authors_with_stat_cached,
+    author_follows_authors,
+    author_follows_topics,
+    get_with_stat,
+)
 from services.cache import set_author_cache, update_author_followers_cache
 from services.auth import login_required
 from services.db import local_session
@@ -53,7 +58,7 @@ async def get_author(_, _info, slug='', author_id=None):
     author_dict = None
     try:
         if slug:
-            author_id = local_session().query(Author.id).filter(Author.slug == slug).scalar()
+            author_id = local_session().query(Author.id).filter(Author.slug == slug)
             logger.debug(f'found @{slug} with id {author_id}')
             if author_id:
                 cache_key = f'author:{author_id}'
@@ -64,7 +69,6 @@ async def get_author(_, _info, slug='', author_id=None):
                 if cache and isinstance(cache, str):
                     author_dict = json.loads(cache)
                 else:
-
                     result = await get_authors_with_stat_cached(q)
                     if result:
                         [author] = result
@@ -122,7 +126,7 @@ async def get_author_id(_, _info, user: str):
 
 @query.field('load_authors_by')
 def load_authors_by(_, _info, by, limit, offset):
-    cache_key = f"{json.dumps(by)}_{limit}_{offset}"
+    cache_key = f'{json.dumps(by)}_{limit}_{offset}'
 
     @cache_region.cache_on_arguments(cache_key)
     def _load_authors_by():
@@ -175,19 +179,21 @@ async def get_author_follows(_, _info, slug='', user=None, author_id=0):
             raise ValueError('One of slug, user, or author_id must be provided')
         [result] = local_session().execute(author_query)
         if len(result) > 0:
-            #logger.debug(result)
+            # logger.debug(result)
             [author] = result
-            #logger.debug(author)
+            # logger.debug(author)
             if author and isinstance(author, Author):
                 logger.debug(author.dict())
-                author_id = author.id.scalar()
+                author_id = author.id
                 rkey = f'author:{author_id}:follows-authors'
                 logger.debug(f'getting {author_id} follows authors')
                 cached = await redis.execute('GET', rkey)
                 if not cached:
                     authors = author_follows_authors(author_id)
                     prepared = [author.dict() for author in authors]
-                    await redis.execute('SET', rkey, json.dumps(prepared, cls=CustomJSONEncoder))
+                    await redis.execute(
+                        'SET', rkey, json.dumps(prepared, cls=CustomJSONEncoder)
+                    )
                 elif isinstance(cached, str):
                     authors = json.loads(cached)
 
@@ -198,7 +204,9 @@ async def get_author_follows(_, _info, slug='', user=None, author_id=0):
                 if not cached:
                     topics = author_follows_topics(author_id)
                     prepared = [topic.dict() for topic in topics]
-                    await redis.execute('SET', rkey, json.dumps(prepared, cls=CustomJSONEncoder))
+                    await redis.execute(
+                        'SET', rkey, json.dumps(prepared, cls=CustomJSONEncoder)
+                    )
                 return {
                     'topics': topics,
                     'authors': authors,
@@ -234,7 +242,9 @@ async def get_author_follows_topics(_, _info, slug='', user=None, author_id=None
         if not cached:
             topics = author_follows_topics(author_id)
             prepared = [topic.dict() for topic in topics]
-            await redis.execute('SET', rkey, json.dumps(prepared, cls=CustomJSONEncoder))
+            await redis.execute(
+                'SET', rkey, json.dumps(prepared, cls=CustomJSONEncoder)
+            )
         return topics
 
 
@@ -258,7 +268,9 @@ async def get_author_follows_authors(_, _info, slug='', user=None, author_id=Non
             if not authors:
                 authors = author_follows_authors(author_id)
                 prepared = [author.dict() for author in authors]
-                await redis.execute('SET', rkey, json.dumps(prepared, cls=CustomJSONEncoder))
+                await redis.execute(
+                    'SET', rkey, json.dumps(prepared, cls=CustomJSONEncoder)
+                )
             return authors
         else:
             raise ValueError('Author not found')
@@ -287,11 +299,7 @@ async def get_author_followers(_, _info, slug: str):
     try:
         with local_session() as session:
             author_alias = aliased(Author)
-            author_id = (
-                session.query(author_alias.id)
-                .filter(author_alias.slug == slug)
-                .scalar()
-            )
+            author_id = session.query(author_alias.id).filter(author_alias.slug == slug)
             if author_id:
                 cached = await redis.execute('GET', f'author:{author_id}:followers')
                 if not cached:
diff --git a/resolvers/editor.py b/resolvers/editor.py
index 02f2ebc4..11ab1b43 100644
--- a/resolvers/editor.py
+++ b/resolvers/editor.py
@@ -22,17 +22,17 @@ from services.logger import root_logger as logger
 @query.field('get_my_shout')
 @login_required
 async def get_my_shout(_, info, shout_id: int):
-    with (local_session() as session):
+    with local_session() as session:
         user_id = info.context.get('user_id', '')
         if not user_id:
             return {'error': 'unauthorized', 'shout': None}
-        shout = session.query(Shout).filter(
-            Shout.id == shout_id
-        ).options(
-            joinedload(Shout.authors), joinedload(Shout.topics)
-        ).filter(and_(
-            Shout.deleted_at.is_(None),
-            Shout.published_at.is_(None))).first()
+        shout = (
+            session.query(Shout)
+            .filter(Shout.id == shout_id)
+            .options(joinedload(Shout.authors), joinedload(Shout.topics))
+            .filter(and_(Shout.deleted_at.is_(None), Shout.published_at.is_(None)))
+            .first()
+        )
         if not shout:
             return {'error': 'no shout found', 'shout': None}
         if not shout.published_at:
@@ -138,7 +138,12 @@ async def create_shout(_, info, inp):
 
 def patch_main_topic(session, main_topic, shout):
     with session.begin():
-        shout = session.query(Shout).options(joinedload(Shout.topics)).filter(Shout.id == shout.id).first()
+        shout = (
+            session.query(Shout)
+            .options(joinedload(Shout.topics))
+            .filter(Shout.id == shout.id)
+            .first()
+        )
         if not shout:
             return
         old_main_topic = (
@@ -153,12 +158,18 @@ def patch_main_topic(session, main_topic, shout):
             new_main_topic = (
                 session.query(ShoutTopic)
                 .filter(
-                    and_(ShoutTopic.shout == shout.id, ShoutTopic.topic == main_topic.id)
+                    and_(
+                        ShoutTopic.shout == shout.id, ShoutTopic.topic == main_topic.id
+                    )
                 )
                 .first()
             )
 
-            if old_main_topic and new_main_topic and old_main_topic is not new_main_topic:
+            if (
+                old_main_topic
+                and new_main_topic
+                and old_main_topic is not new_main_topic
+            ):
                 ShoutTopic.update(old_main_topic, {'main': False})
                 session.add(old_main_topic)
 
@@ -224,12 +235,16 @@ async def update_shout(_, info, shout_id: int, shout_input=None, publish=False):
                 if not shout_by_id:
                     return {'error': 'shout not found'}
                 if slug != shout_by_id.slug:
-                    same_slug_shout = session.query(Shout).filter(Shout.slug == slug).first()
+                    same_slug_shout = (
+                        session.query(Shout).filter(Shout.slug == slug).first()
+                    )
                     c = 1
                     while same_slug_shout is not None:
                         c += 1
                         slug += f'-{c}'
-                        same_slug_shout = session.query(Shout).filter(Shout.slug == slug).first()
+                        same_slug_shout = (
+                            session.query(Shout).filter(Shout.slug == slug).first()
+                        )
                     shout_input['slug'] = slug
 
                 if (
diff --git a/resolvers/follower.py b/resolvers/follower.py
index 84b22700..714ee675 100644
--- a/resolvers/follower.py
+++ b/resolvers/follower.py
@@ -13,8 +13,12 @@ from orm.community import Community
 from orm.reaction import Reaction
 from orm.shout import Shout, ShoutReactionsFollower
 from orm.topic import Topic, TopicFollower
-from resolvers.stat import get_authors_with_stat_cached, author_follows_topics, author_follows_authors, \
-    get_topics_with_stat_cached
+from resolvers.stat import (
+    get_authors_with_stat_cached,
+    author_follows_topics,
+    author_follows_authors,
+    get_topics_with_stat_cached,
+)
 from services.auth import login_required
 from services.db import local_session
 from services.cache import (
@@ -35,29 +39,39 @@ async def follow(_, info, what, slug):
     error = None
     user_id = info.context.get('user_id')
     if not user_id:
-        return {"error": "unauthorized"}
-    [follower] = await get_authors_with_stat_cached(select(Author).select_from(Author).filter(Author.user == user_id))
+        return {'error': 'unauthorized'}
+    [follower] = await get_authors_with_stat_cached(
+        select(Author).select_from(Author).filter(Author.user == user_id)
+    )
     if not follower:
-        return {"error": "cant find follower"}
+        return {'error': 'cant find follower'}
 
     if what == 'AUTHOR':
         error = author_follow(follower.id, slug)
         if not error:
             logger.debug(f'@{follower.slug} followed @{slug}')
-            [author] = await get_authors_with_stat_cached(select(Author).select_from(Author).where(Author.slug == slug))
+            [author] = await get_authors_with_stat_cached(
+                select(Author).select_from(Author).where(Author.slug == slug)
+            )
             if not author:
-                return {"error": "author is not found"}
-            follows = await update_follows_for_author(follower, 'author', author.dict(), True)
+                return {'error': 'author is not found'}
+            follows = await update_follows_for_author(
+                follower, 'author', author.dict(), True
+            )
             _followers = await update_followers_for_author(follower, author, True)
             await notify_follower(follower.dict(), author.id, 'unfollow')
 
     elif what == 'TOPIC':
         error = topic_follow(follower.id, slug)
         if not error:
-            [topic] = await get_topics_with_stat_cached(select(Topic).where(Topic.slug == slug))
+            [topic] = await get_topics_with_stat_cached(
+                select(Topic).where(Topic.slug == slug)
+            )
             if not topic:
-                return {"error": "topic is not found"}
-            follows = await update_follows_for_author(follower, 'topic', topic.dict(), True)
+                return {'error': 'topic is not found'}
+            follows = await update_follows_for_author(
+                follower, 'topic', topic.dict(), True
+            )
 
     elif what == 'COMMUNITY':
         follows = local_session().execute(select(Community))
@@ -67,10 +81,12 @@ async def follow(_, info, what, slug):
         if not error:
             [shout] = local_session().execute(select(Shout).where(Shout.slug == slug))
             if not shout:
-                return {"error": "cant find shout"}
-            follows = await update_follows_for_author(follower, 'shout', shout.dict(), True)
+                return {'error': 'cant find shout'}
+            follows = await update_follows_for_author(
+                follower, 'shout', shout.dict(), True
+            )
 
-    return {f'{what.lower()}s': follows, "error": error}
+    return {f'{what.lower()}s': follows, 'error': error}
 
 
 @mutation.field('unfollow')
@@ -80,31 +96,39 @@ async def unfollow(_, info, what, slug):
     error = None
     user_id = info.context.get('user_id')
     if not user_id:
-        return {"error": "unauthorized"}
+        return {'error': 'unauthorized'}
     follower_query = select(Author).filter(Author.user == user_id)
     [follower] = await get_authors_with_stat_cached(follower_query)
     if not follower:
-        return {"error": "follower profile is not found"}
+        return {'error': 'follower profile is not found'}
 
     if what == 'AUTHOR':
         error = author_unfollow(follower.id, slug)
         if not error:
             logger.info(f'@{follower.slug} unfollowing @{slug}')
-            [author] = await get_authors_with_stat_cached(select(Author).where(Author.slug == slug))
+            [author] = await get_authors_with_stat_cached(
+                select(Author).where(Author.slug == slug)
+            )
             if not author:
-                return {"error": "cant find author"}
+                return {'error': 'cant find author'}
             _followers = await update_followers_for_author(follower, author, False)
             await notify_follower(follower.dict(), author.id, 'unfollow')
-            follows = await update_follows_for_author(follower, 'author', author.dict(), False)
+            follows = await update_follows_for_author(
+                follower, 'author', author.dict(), False
+            )
 
     elif what == 'TOPIC':
         error = topic_unfollow(follower.id, slug)
         if not error:
             logger.info(f'@{follower.slug} unfollowing §{slug}')
-            [topic] = await get_topics_with_stat_cached(select(Topic).where(Topic.slug == slug))
+            [topic] = await get_topics_with_stat_cached(
+                select(Topic).where(Topic.slug == slug)
+            )
             if not topic:
-                return {"error": "cant find topic"}
-            follows = await update_follows_for_author(follower, 'topic', topic.dict(), False)
+                return {'error': 'cant find topic'}
+            follows = await update_follows_for_author(
+                follower, 'topic', topic.dict(), False
+            )
 
     elif what == 'COMMUNITY':
         follows = local_session().execute(select(Community))
@@ -115,16 +139,18 @@ async def unfollow(_, info, what, slug):
             logger.info(f'@{follower.slug} unfollowing §{slug}')
             [shout] = local_session().execute(select(Shout).where(Shout.slug == slug))
             if not shout:
-                return {"error": "cant find shout"}
+                return {'error': 'cant find shout'}
             if not error:
-                follows = await update_follows_for_author(follower, 'shout', shout.dict(), False)
+                follows = await update_follows_for_author(
+                    follower, 'shout', shout.dict(), False
+                )
 
     return {'error': error, f'{what.lower()}s': follows}
 
 
 async def get_follows_by_user_id(user_id: str):
     if not user_id:
-        return {"error": "unauthorized"}
+        return {'error': 'unauthorized'}
     author = await redis.execute('GET', f'user:{user_id}')
     if isinstance(author, str):
         author = json.loads(author)
@@ -132,7 +158,7 @@ async def get_follows_by_user_id(user_id: str):
         with local_session() as session:
             author = session.query(Author).filter(Author.user == user_id).first()
             if not author:
-                return {"error": "cant find author"}
+                return {'error': 'cant find author'}
             author = author.dict()
     last_seen = author.get('last_seen', 0) if isinstance(author, dict) else 0
     follows = DEFAULT_FOLLOWS
@@ -278,7 +304,9 @@ def author_unfollow(follower_id, slug):
             flw = (
                 session.query(AuthorFollower)
                 .join(Author, Author.id == AuthorFollower.author)
-                .filter(and_(AuthorFollower.follower == follower_id, Author.slug == slug))
+                .filter(
+                    and_(AuthorFollower.follower == follower_id, Author.slug == slug)
+                )
                 .first()
             )
             if flw:
diff --git a/resolvers/notifier.py b/resolvers/notifier.py
index b015bf23..9f22ba63 100644
--- a/resolvers/notifier.py
+++ b/resolvers/notifier.py
@@ -122,9 +122,9 @@ def get_notifications_grouped(
         if (groups_amount + offset) >= limit:
             break
 
-        payload = json.loads(notification.payload.scalar())
+        payload = json.loads(str(notification.payload))
 
-        if notification.entity.scalar() == NotificationEntity.SHOUT.value:
+        if str(notification.entity) == NotificationEntity.SHOUT.value:
             shout = payload
             shout_id = shout.get('id')
             author_id = shout.get('created_by')
@@ -139,13 +139,13 @@ def get_notifications_grouped(
                         thread_id,
                         shout=shout,
                         authors=[author],
-                        action=notification.action.scalar(),
-                        entity=notification.entity.scalar(),
+                        action=str(notification.action),
+                        entity=str(notification.entity),
                     )
                     groups_by_thread[thread_id] = group
                     groups_amount += 1
 
-        elif notification.entity.scalar() == NotificationEntity.REACTION.value:
+        elif str(notification.entity) == NotificationEntity.REACTION.value:
             reaction = payload
             if not isinstance(shout, dict):
                 raise ValueError('reaction data is not consistent')
@@ -153,7 +153,9 @@ def get_notifications_grouped(
             author_id = shout.get('created_by', 0)
             if shout_id and author_id:
                 with local_session() as session:
-                    author = session.query(Author).filter(Author.id == author_id).first()
+                    author = (
+                        session.query(Author).filter(Author.id == author_id).first()
+                    )
                     shout = session.query(Shout).filter(Shout.id == shout_id).first()
                     if shout and author:
                         author = author.dict()
@@ -166,7 +168,9 @@ def get_notifications_grouped(
                         if existing_group:
                             existing_group['seen'] = False
                             existing_group['authors'].append(author_id)
-                            existing_group['reactions'] = existing_group['reactions'] or []
+                            existing_group['reactions'] = (
+                                existing_group['reactions'] or []
+                            )
                             existing_group['reactions'].append(reaction)
                             groups_by_thread[thread_id] = existing_group
                         else:
@@ -175,21 +179,21 @@ def get_notifications_grouped(
                                 authors=[author],
                                 shout=shout,
                                 reactions=[reaction],
-                                entity=notification.entity.scalar(),
-                                action=notification.action.scalar(),
+                                entity=str(notification.entity),
+                                action=str(notification.action),
                             )
                             if group:
                                 groups_by_thread[thread_id] = group
                                 groups_amount += 1
 
-            elif notification.entity.scalar() == 'follower':
+            elif str(notification.entity) == 'follower':
                 thread_id = 'followers'
                 follower = json.loads(payload)
                 group = groups_by_thread.get(thread_id)
                 if group:
-                    if notification.action.scalar() == 'follow':
+                    if str(notification.action) == 'follow':
                         group['authors'].append(follower)
-                    elif notification.action.scalar() == 'unfollow':
+                    elif str(notification.action) == 'unfollow':
                         follower_id = follower.get('id')
                         for author in group['authors']:
                             if author.get('id') == follower_id:
@@ -199,8 +203,8 @@ def get_notifications_grouped(
                     group = group_notification(
                         thread_id,
                         authors=[follower],
-                        entity=notification.entity.scalar(),
-                        action=notification.action.scalar(),
+                        entity=str(notification.entity),
+                        action=str(notification.action),
                     )
                     groups_amount += 1
                 groups_by_thread[thread_id] = group
@@ -305,11 +309,11 @@ async def notifications_seen_thread(_, info, thread: str, after: int):
             )
             exclude = set()
             for nr in removed_reaction_notifications:
-                reaction = json.loads(nr.payload.scalar())
+                reaction = json.loads(str(nr.payload))
                 reaction_id = reaction.get('id')
                 exclude.add(reaction_id)
             for n in new_reaction_notifications:
-                reaction = json.loads(n.payload.scalar())
+                reaction = json.loads(str(n.payload))
                 reaction_id = reaction.get('id')
                 if (
                     reaction_id not in exclude
diff --git a/resolvers/reaction.py b/resolvers/reaction.py
index 8f852f38..ae53b7ae 100644
--- a/resolvers/reaction.py
+++ b/resolvers/reaction.py
@@ -430,8 +430,7 @@ async def reacted_shouts_updates(follower_id: int, limit=50, offset=0) -> List[S
                 .outerjoin(
                     Reaction,
                     and_(
-                        Reaction.shout == Shout.id,
-                        Reaction.created_by == follower_id,
+                        Reaction.shout == Shout.id, Reaction.created_by == follower_id
                     ),
                 )
                 .outerjoin(Author, Shout.authors.any(id=follower_id))
diff --git a/resolvers/reader.py b/resolvers/reader.py
index 895ec48b..55efd2cd 100644
--- a/resolvers/reader.py
+++ b/resolvers/reader.py
@@ -17,12 +17,11 @@ from services.logger import root_logger as logger
 
 
 def query_shouts():
-    return select(Shout).options(joinedload(Shout.authors), joinedload(Shout.topics)).where(
-            and_(
-                Shout.published_at.is_not(None),
-                Shout.deleted_at.is_(None),
-            )
-        )
+    return (
+        select(Shout)
+        .options(joinedload(Shout.authors), joinedload(Shout.topics))
+        .where(and_(Shout.published_at.is_not(None), Shout.deleted_at.is_(None)))
+    )
 
 
 def filter_my(info, session, q):
@@ -104,7 +103,7 @@ async def get_shout(_, info, slug: str):
                 'reacted': reacted_stat,
                 'commented': commented_stat,
                 'rating': int(likes_stat or 0) - int(dislikes_stat or 0),
-                'last_comment': last_comment
+                'last_comment': last_comment,
             }
 
             for author_caption in (
@@ -219,7 +218,7 @@ async def load_shouts_by(_, _info, options):
                 'reacted': reacted_stat,
                 'commented': commented_stat,
                 'rating': int(likes_stat) - int(dislikes_stat),
-                'last_comment': last_comment
+                'last_comment': last_comment,
             }
             shouts.append(shout)
 
@@ -293,7 +292,7 @@ async def load_shouts_feed(_, info, options):
                 'reacted': reacted_stat,
                 'commented': commented_stat,
                 'rating': likes_stat - dislikes_stat,
-                'last_comment': last_comment
+                'last_comment': last_comment,
             }
             shouts.append(shout)
 
@@ -313,7 +312,8 @@ async def load_shouts_search(_, _info, text, limit=50, offset=0):
 @login_required
 async def load_shouts_unrated(_, info, limit: int = 50, offset: int = 0):
     q = query_shouts()
-    q = q.outerjoin(
+    q = (
+        q.outerjoin(
             Reaction,
             and_(
                 Reaction.shout == Shout.id,
@@ -322,14 +322,16 @@ async def load_shouts_unrated(_, info, limit: int = 50, offset: int = 0):
                     [ReactionKind.LIKE.value, ReactionKind.DISLIKE.value]
                 ),
             ),
-        ).outerjoin(Author, Author.user == bindparam('user_id')).where(
+        )
+        .outerjoin(Author, Author.user == bindparam('user_id'))
+        .where(
             and_(
                 Shout.deleted_at.is_(None),
                 Shout.layout.is_not(None),
                 or_(Author.id.is_(None), Reaction.created_by != Author.id),
             )
         )
-
+    )
 
     # 3 or fewer votes is 0, 1, 2 or 3 votes (null, reaction id1, reaction id2, reaction id3)
     q = q.having(func.count(distinct(Reaction.id)) <= 4)
@@ -407,9 +409,9 @@ async def load_shouts_random_top(_, _info, options):
                     (aliased_reaction.kind == ReactionKind.LIKE.value, 1),
                     (aliased_reaction.kind == ReactionKind.DISLIKE.value, -1),
                     else_=0,
-                    )
                 )
             )
+        )
     )
 
     random_limit = options.get('random_limit', 100)
@@ -432,7 +434,6 @@ async def load_shouts_random_top(_, _info, options):
     return shouts
 
 
-
 @query.field('load_shouts_random_topic')
 async def load_shouts_random_topic(_, info, limit: int = 10):
     [topic] = get_topics_random(None, None, 1)
diff --git a/resolvers/stat.py b/resolvers/stat.py
index e69c615c..62dc22cd 100644
--- a/resolvers/stat.py
+++ b/resolvers/stat.py
@@ -20,26 +20,26 @@ def add_topic_stat_columns(q):
     q = (
         q.outerjoin(aliased_shout_topic, aliased_shout_topic.topic == Topic.id)
         .add_columns(
-            func.count(distinct(aliased_shout_topic.shout)).label("shouts_stat")
+            func.count(distinct(aliased_shout_topic.shout)).label('shouts_stat')
         )
         .outerjoin(
             aliased_shout_author,
             aliased_shout_topic.shout == aliased_shout_author.shout,
         )
         .add_columns(
-            func.count(distinct(aliased_shout_author.author)).label("authors_stat")
+            func.count(distinct(aliased_shout_author.author)).label('authors_stat')
         )
         .outerjoin(aliased_topic_follower)
         .add_columns(
             func.count(distinct(aliased_topic_follower.follower)).label(
-                "followers_stat"
+                'followers_stat'
             )
         )
     )
     # Create a subquery for comments count
     _sub_comments = (
         select(
-            Shout.id, func.coalesce(func.count(Reaction.id), 0).label("comments_count")
+            Shout.id, func.coalesce(func.count(Reaction.id), 0).label('comments_count')
         )
         .join(
             Reaction,
@@ -70,23 +70,23 @@ def add_author_stat_columns(q):
 
     q = q.outerjoin(aliased_shout_author, aliased_shout_author.author == Author.id)
     q = q.add_columns(
-        func.count(distinct(aliased_shout_author.shout)).label("shouts_stat")
+        func.count(distinct(aliased_shout_author.shout)).label('shouts_stat')
     )
 
     q = q.outerjoin(aliased_authors, aliased_authors.follower == Author.id)
     q = q.add_columns(
-        func.count(distinct(aliased_authors.author)).label("authors_stat")
+        func.count(distinct(aliased_authors.author)).label('authors_stat')
     )
 
     q = q.outerjoin(aliased_followers, aliased_followers.author == Author.id)
     q = q.add_columns(
-        func.count(distinct(aliased_followers.follower)).label("followers_stat")
+        func.count(distinct(aliased_followers.follower)).label('followers_stat')
     )
 
     # Create a subquery for comments count
     sub_comments = (
         select(
-            Author.id, func.coalesce(func.count(Reaction.id), 0).label("comments_stat")
+            Author.id, func.coalesce(func.count(Reaction.id), 0).label('comments_stat')
         )
         .outerjoin(
             Reaction,
@@ -103,9 +103,7 @@ def add_author_stat_columns(q):
     q = q.outerjoin(sub_comments, Author.id == sub_comments.c.id)
     q = q.add_columns(sub_comments.c.comments_stat)
 
-    q = q.group_by(
-        Author.id, sub_comments.c.comments_stat
-    )
+    q = q.group_by(Author.id, sub_comments.c.comments_stat)
 
     return q
 
@@ -113,12 +111,43 @@ def add_author_stat_columns(q):
 def add_author_ratings(q):
     aliased_author = aliased(Author)
     selection_list = [
-        aliased_author.id.label("author_id"),
-        func.count().filter(and_(Reaction.created_by == aliased_author.id,Reaction.kind == ReactionKind.COMMENT.value)).label("comments_count"),
-        func.sum(case((AuthorRating.plus == true(), 1), else_=0)).label("likes_count"),
-        func.sum(case((AuthorRating.plus != true(), 1), else_=0)).label("dislikes_count"),
-        func.sum(case((and_(Reaction.kind == ReactionKind.LIKE.value,Shout.authors.any(id=aliased_author.id)),1),else_=0)).label("shouts_likes"),
-        func.sum(case((and_(Reaction.kind == ReactionKind.DISLIKE.value,Shout.authors.any(id=aliased_author.id)),1),else_=0)).label("shouts_dislikes"),
+        aliased_author.id.label('author_id'),
+        func.count()
+        .filter(
+            and_(
+                Reaction.created_by == aliased_author.id,
+                Reaction.kind == ReactionKind.COMMENT.value,
+            )
+        )
+        .label('comments_count'),
+        func.sum(case((AuthorRating.plus == true(), 1), else_=0)).label('likes_count'),
+        func.sum(case((AuthorRating.plus != true(), 1), else_=0)).label(
+            'dislikes_count'
+        ),
+        func.sum(
+            case(
+                (
+                    and_(
+                        Reaction.kind == ReactionKind.LIKE.value,
+                        Shout.authors.any(id=aliased_author.id),
+                    ),
+                    1,
+                ),
+                else_=0,
+            )
+        ).label('shouts_likes'),
+        func.sum(
+            case(
+                (
+                    and_(
+                        Reaction.kind == ReactionKind.DISLIKE.value,
+                        Shout.authors.any(id=aliased_author.id),
+                    ),
+                    1,
+                ),
+                else_=0,
+            )
+        ).label('shouts_dislikes'),
     ]
     ratings_subquery = (
         select(*selection_list)
@@ -127,7 +156,7 @@ def add_author_ratings(q):
         .outerjoin(Shout, Shout.authors.any(id=aliased_author.id))
         .filter(Reaction.deleted_at.is_(None))
         .group_by(aliased_author.id)
-        .alias("ratings_subquery")
+        .alias('ratings_subquery')
     )
 
     return q.join(ratings_subquery, Author.id == ratings_subquery.c.author_id)
@@ -135,8 +164,8 @@ def add_author_ratings(q):
 
 def get_with_stat(q):
     try:
-        is_author = f"{q}".lower().startswith("select author")
-        is_topic = f"{q}".lower().startswith("select topic")
+        is_author = f'{q}'.lower().startswith('select author')
+        is_topic = f'{q}'.lower().startswith('select topic')
         if is_author:
             q = add_author_stat_columns(q)
             # q = add_author_ratings(q)  # TODO: move rating to cols down there
@@ -149,11 +178,11 @@ def get_with_stat(q):
             for cols in result:
                 entity = cols[0]
                 stat = dict()
-                stat["shouts"] = cols[1]
-                stat["authors"] = cols[2]
-                stat["followers"] = cols[3]
+                stat['shouts'] = cols[1]
+                stat['authors'] = cols[2]
+                stat['followers'] = cols[3]
                 if is_author:
-                    stat["comments"] = cols[4]
+                    stat['comments'] = cols[4]
                     # entity.stat['topics'] = cols[5]
                     # entity.stat['rating'] = cols[5] - cols[6]
                     # entity.stat['rating_shouts'] = cols[7] - cols[8]
@@ -199,7 +228,7 @@ async def get_topics_with_stat_cached(q):
 
 
 def author_follows_authors(author_id: int):
-    af = aliased(AuthorFollower, name="af")
+    af = aliased(AuthorFollower, name='af')
     q = (
         select(Author)
         .select_from(join(Author, af, Author.id == af.author))
diff --git a/resolvers/topic.py b/resolvers/topic.py
index af44e2c7..d6a169a8 100644
--- a/resolvers/topic.py
+++ b/resolvers/topic.py
@@ -12,7 +12,7 @@ from services.memorycache import cache_region
 
 @query.field('get_topics_all')
 def get_topics_all(_, _info):
-    cache_key = "get_topics_all"
+    cache_key = 'get_topics_all'
 
     @cache_region.cache_on_arguments(cache_key)
     def _get_topics_all():
@@ -23,7 +23,7 @@ def get_topics_all(_, _info):
 
 @query.field('get_topics_by_community')
 def get_topics_by_community(_, _info, community_id: int):
-    cache_key = f"get_topics_by_community_{community_id}"
+    cache_key = f'get_topics_by_community_{community_id}'
 
     @cache_region.cache_on_arguments(cache_key)
     def _get_topics_by_community():
@@ -33,7 +33,6 @@ def get_topics_by_community(_, _info, community_id: int):
     return _get_topics_by_community()
 
 
-
 @query.field('get_topics_by_author')
 async def get_topics_by_author(_, _info, author_id=0, slug='', user=''):
     q = select(Topic)
diff --git a/services/cache.py b/services/cache.py
index 8325e6e9..51b5e177 100644
--- a/services/cache.py
+++ b/services/cache.py
@@ -14,21 +14,21 @@ from services.logger import root_logger as logger
 
 
 DEFAULT_FOLLOWS = {
-    "topics": [],
-    "authors": [],
-    "communities": [{"id": 1, "name": "Дискурс", "slug": "discours", "pic": ""}],
+    'topics': [],
+    'authors': [],
+    'communities': [{'id': 1, 'name': 'Дискурс', 'slug': 'discours', 'pic': ''}],
 }
 
 
 async def set_author_cache(author: dict):
     payload = json.dumps(author, cls=CustomJSONEncoder)
-    await redis.execute("SET", f'user:{author.get("user")}', payload)
-    await redis.execute("SET", f'author:{author.get("id")}', payload)
+    await redis.execute('SET', f'user:{author.get("user")}', payload)
+    await redis.execute('SET', f'author:{author.get("id")}', payload)
 
 
 async def set_topic_cache(topic: dict):
     payload = json.dumps(topic, cls=CustomJSONEncoder)
-    await redis.execute("SET", f'topic:{topic.get("id")}', payload)
+    await redis.execute('SET', f'topic:{topic.get("id")}', payload)
 
 
 async def update_author_followers_cache(author_id: int, followers):
@@ -36,7 +36,7 @@ async def update_author_followers_cache(author_id: int, followers):
         [f.dict() if isinstance(f, Author) else f for f in followers],
         cls=CustomJSONEncoder,
     )
-    await redis.execute("SET", f"author:{author_id}:followers", payload)
+    await redis.execute('SET', f'author:{author_id}:followers', payload)
 
 
 async def set_follows_topics_cache(follows, author_id: int):
@@ -45,7 +45,7 @@ async def set_follows_topics_cache(follows, author_id: int):
             [a.dict() if isinstance(a, Author) else a for a in follows],
             cls=CustomJSONEncoder,
         )
-        await redis.execute("SET", f"author:{author_id}:follows-topics", payload)
+        await redis.execute('SET', f'author:{author_id}:follows-topics', payload)
     except Exception as exc:
         logger.error(exc)
         import traceback
@@ -60,7 +60,7 @@ async def set_follows_authors_cache(follows, author_id: int):
             [a.dict() if isinstance(a, Author) else a for a in follows],
             cls=CustomJSONEncoder,
         )
-        await redis.execute("SET", f"author:{author_id}:follows-authors", payload)
+        await redis.execute('SET', f'author:{author_id}:follows-authors', payload)
     except Exception as exc:
         import traceback
 
@@ -73,31 +73,31 @@ async def update_follows_for_author(
     follower: Author, entity_type: str, entity: dict, is_insert: bool
 ):
     follows = []
-    redis_key = f"author:{follower.id}:follows-{entity_type}s"
-    follows_str = await redis.execute("GET", redis_key)
+    redis_key = f'author:{follower.id}:follows-{entity_type}s'
+    follows_str = await redis.execute('GET', redis_key)
     if isinstance(follows_str, str):
         follows = json.loads(follows_str)
     if is_insert:
         follows.append(entity)
     else:
-        entity_id = entity.get("id")
+        entity_id = entity.get('id')
         if not entity_id:
-            raise Exception("wrong entity")
+            raise Exception('wrong entity')
         # Remove the entity from follows
-        follows = [e for e in follows if e["id"] != entity_id]
+        follows = [e for e in follows if e['id'] != entity_id]
         logger.debug(f'{entity['slug']} removed from what @{follower.slug} follows')
-    if entity_type == "topic":
-        await set_follows_topics_cache(follows, follower.id.scalar())
-    if entity_type == "author":
-        await set_follows_authors_cache(follows, follower.id.scalar())
+    if entity_type == 'topic':
+        await set_follows_topics_cache(follows, follower.id)
+    if entity_type == 'author':
+        await set_follows_authors_cache(follows, follower.id)
     return follows
 
 
 async def update_followers_for_author(
     follower: Author, author: Author, is_insert: bool
 ):
-    redis_key = f"author:{author.id}:followers"
-    followers_str = await redis.execute("GET", redis_key)
+    redis_key = f'author:{author.id}:followers'
+    followers_str = await redis.execute('GET', redis_key)
     followers = []
     if isinstance(followers_str, str):
         followers = json.loads(followers_str)
@@ -105,8 +105,8 @@ async def update_followers_for_author(
         followers.append(follower)
     else:
         # Remove the entity from followers
-        followers = [e for e in followers if e["id"] != author.id]
-    await update_author_followers_cache(author.id.scalar(), followers)
+        followers = [e for e in followers if e['id'] != author.id]
+    await update_author_followers_cache(author.id, followers)
     return followers
 
 
@@ -136,8 +136,9 @@ def after_reaction_update(mapper, connection, reaction: Reaction):
             select(author_subquery.subquery())
             .select_from(author_subquery.subquery())
             .union(
-                select(replied_author_subquery.subquery())
-                .select_from(replied_author_subquery.subquery())
+                select(replied_author_subquery.subquery()).select_from(
+                    replied_author_subquery.subquery()
+                )
             )
         )
 
@@ -166,25 +167,25 @@ def after_author_update(_mapper, _connection, author: Author):
 
 def after_topic_follower_insert(_mapper, _connection, target: TopicFollower):
     asyncio.create_task(
-        handle_topic_follower_change(target.topic.scalar(), target.follower.scalar(), True)
+        handle_topic_follower_change(target.topic, target.follower, True)
     )
 
 
 def after_topic_follower_delete(_mapper, _connection, target: TopicFollower):
     asyncio.create_task(
-        handle_topic_follower_change(target.topic.scalar(), target.follower.scalar(), False)
+        handle_topic_follower_change(target.topic, target.follower, False)
     )
 
 
 def after_author_follower_insert(_mapper, _connection, target: AuthorFollower):
     asyncio.create_task(
-        handle_author_follower_change(target.author.scalar(), target.follower.scalar(), True)
+        handle_author_follower_change(target.author, target.follower, True)
     )
 
 
 def after_author_follower_delete(_mapper, _connection, target: AuthorFollower):
     asyncio.create_task(
-        handle_author_follower_change(target.author.scalar(), target.follower.scalar(), False)
+        handle_author_follower_change(target.author, target.follower, False)
     )
 
 
@@ -198,24 +199,24 @@ async def handle_author_follower_change(
     if follower and author:
         _ = asyncio.create_task(set_author_cache(author.dict()))
         follows_authors = await redis.execute(
-            "GET", f"author:{follower_id}:follows-authors"
+            'GET', f'author:{follower_id}:follows-authors'
         )
         if isinstance(follows_authors, str):
             follows_authors = json.loads(follows_authors)
-            if not any(x.get("id") == author.id for x in follows_authors):
+            if not any(x.get('id') == author.id for x in follows_authors):
                 follows_authors.append(author.dict())
         _ = asyncio.create_task(set_follows_authors_cache(follows_authors, follower_id))
         _ = asyncio.create_task(set_author_cache(follower.dict()))
         await update_follows_for_author(
             follower,
-            "author",
+            'author',
             {
-                "id": author.id,
-                "name": author.name,
-                "slug": author.slug,
-                "pic": author.pic,
-                "bio": author.bio,
-                "stat": author.stat,
+                'id': author.id,
+                'name': author.name,
+                'slug': author.slug,
+                'pic': author.pic,
+                'bio': author.bio,
+                'stat': author.stat,
             },
             is_insert,
         )
@@ -231,41 +232,41 @@ async def handle_topic_follower_change(
     if follower and topic:
         _ = asyncio.create_task(set_author_cache(follower.dict()))
         follows_topics = await redis.execute(
-            "GET", f"author:{follower_id}:follows-topics"
+            'GET', f'author:{follower_id}:follows-topics'
         )
         if isinstance(follows_topics, str):
             follows_topics = json.loads(follows_topics)
-            if not any(x.get("id") == topic.id for x in follows_topics):
+            if not any(x.get('id') == topic.id for x in follows_topics):
                 follows_topics.append(topic)
         _ = asyncio.create_task(set_follows_topics_cache(follows_topics, follower_id))
         await update_follows_for_author(
             follower,
-            "topic",
+            'topic',
             {
-                "id": topic.id,
-                "title": topic.title,
-                "slug": topic.slug,
-                "body": topic.body,
-                "stat": topic.stat,
+                'id': topic.id,
+                'title': topic.title,
+                'slug': topic.slug,
+                'body': topic.body,
+                'stat': topic.stat,
             },
             is_insert,
         )
 
 
 def events_register():
-    event.listen(Shout, "after_insert", after_shout_update)
-    event.listen(Shout, "after_update", after_shout_update)
+    event.listen(Shout, 'after_insert', after_shout_update)
+    event.listen(Shout, 'after_update', after_shout_update)
 
-    event.listen(Reaction, "after_insert", after_reaction_update)
-    event.listen(Reaction, "after_update", after_reaction_update)
+    event.listen(Reaction, 'after_insert', after_reaction_update)
+    event.listen(Reaction, 'after_update', after_reaction_update)
 
-    event.listen(Author, "after_insert", after_author_update)
-    event.listen(Author, "after_update", after_author_update)
+    event.listen(Author, 'after_insert', after_author_update)
+    event.listen(Author, 'after_update', after_author_update)
 
-    event.listen(AuthorFollower, "after_insert", after_author_follower_insert)
-    event.listen(AuthorFollower, "after_delete", after_author_follower_delete)
+    event.listen(AuthorFollower, 'after_insert', after_author_follower_insert)
+    event.listen(AuthorFollower, 'after_delete', after_author_follower_delete)
 
-    event.listen(TopicFollower, "after_insert", after_topic_follower_insert)
-    event.listen(TopicFollower, "after_delete", after_topic_follower_delete)
+    event.listen(TopicFollower, 'after_insert', after_topic_follower_insert)
+    event.listen(TopicFollower, 'after_delete', after_topic_follower_delete)
 
     logger.info('cache events were registered!')
diff --git a/services/db.py b/services/db.py
index 93f5b091..d929571e 100644
--- a/services/db.py
+++ b/services/db.py
@@ -101,7 +101,11 @@ def after_cursor_execute(conn, cursor, statement, parameters, context, executema
     if hasattr(conn, 'query_start_time'):
         elapsed = time.time() - conn.query_start_time
         conn.query_start_time = None
-        query = f'{statement} % {parameters}' if parameters else f'{statement}'.replace('\n', ' ')
+        query = (
+            f'{statement} % {parameters}'
+            if parameters
+            else f'{statement}'.replace('\n', ' ')
+        )
         if elapsed > 1 and conn.executed_statement != conn.statement:
             conn.executed_statement = conn.statement
             logger.debug(f"\n{query}\n{'*' * math.floor(elapsed)} {elapsed:.3f} s\n")
diff --git a/services/search.py b/services/search.py
index 9a168a21..2c1f88b2 100644
--- a/services/search.py
+++ b/services/search.py
@@ -122,7 +122,9 @@ class SearchService:
     async def recreate_index(self):
         if self.client:
             async with self.lock:
-                self.client.indices.delete(index=self.index_name, ignore_unavailable=True)
+                self.client.indices.delete(
+                    index=self.index_name, ignore_unavailable=True
+                )
                 await self.check_index()
 
     def index(self, shout):
@@ -146,7 +148,12 @@ class SearchService:
 
             # Use Redis as cache with TTL
             redis_key = f'search:{text}'
-            await redis.execute('SETEX', redis_key, REDIS_TTL, json.dumps(results, cls=CustomJSONEncoder))
+            await redis.execute(
+                'SETEX',
+                redis_key,
+                REDIS_TTL,
+                json.dumps(results, cls=CustomJSONEncoder),
+            )
         return []
 
 
diff --git a/services/viewed.py b/services/viewed.py
index 41277f85..6542e2e0 100644
--- a/services/viewed.py
+++ b/services/viewed.py
@@ -42,7 +42,6 @@ class ViewedStorage:
         """Подключение к клиенту Google Analytics с использованием аутентификации"""
         self = ViewedStorage
         async with self.lock:
-
             # Загрузка предварительно подсчитанных просмотров из файла JSON
             self.load_precounted_views()
 
@@ -66,7 +65,9 @@ class ViewedStorage:
         try:
             if os.path.exists(VIEWS_FILEPATH):
                 self.file_modification_timestamp = os.path.getmtime(VIEWS_FILEPATH)
-                self.start_date = datetime.fromtimestamp(self.file_modification_timestamp).strftime('%Y-%m-%d')
+                self.start_date = datetime.fromtimestamp(
+                    self.file_modification_timestamp
+                ).strftime('%Y-%m-%d')
                 now_date = datetime.now().strftime('%Y-%m-%d')
 
                 if now_date == self.start_date:
@@ -83,7 +84,7 @@ class ViewedStorage:
                         f' * {len(precounted_views)} публикаций с просмотрами успешно загружены.'
                     )
             else:
-                logger.info(" * Файл просмотров не найден.")
+                logger.info(' * Файл просмотров не найден.')
         except Exception as e:
             logger.error(f'Ошибка загрузки предварительно подсчитанных просмотров: {e}')