diff --git a/auth/authenticate.py b/auth/authenticate.py
index 4e8248c7..958560cb 100644
--- a/auth/authenticate.py
+++ b/auth/authenticate.py
@@ -28,6 +28,7 @@ class SessionToken:
                 token is of specified type
         """
         try:
+            print('[auth.authenticate] session token verify')
             payload = JWTCodec.decode(token)
         except ExpiredSignatureError:
             payload = JWTCodec.decode(token, verify_exp=False)
@@ -58,6 +59,8 @@ class JWTAuthenticate(AuthenticationBackend):
         try:
             payload = await SessionToken.verify(token)
         except Exception as exc:
+            print("[auth.authenticate] session token verify error")
+            print(exc)
             return AuthCredentials(scopes=[], error_message=str(exc)), AuthUser(
                 user_id=None
             )
diff --git a/auth/identity.py b/auth/identity.py
index 197f9fd7..efcec0ec 100644
--- a/auth/identity.py
+++ b/auth/identity.py
@@ -81,6 +81,7 @@ class Identity:
     @staticmethod
     async def onetime(token: str) -> User:
         try:
+            print('[auth.identity] using one time token')
             payload = JWTCodec.decode(token)
             if not await TokenStorage.exist(f"{payload.user_id}-{token}"):
                 raise InvalidToken("Login token has expired, please login again")
diff --git a/auth/tokenstorage.py b/auth/tokenstorage.py
index 2c84ca67..c27c7d97 100644
--- a/auth/tokenstorage.py
+++ b/auth/tokenstorage.py
@@ -36,11 +36,13 @@ class TokenStorage:
 
     @staticmethod
     async def revoke(token: str) -> bool:
+        payload = None
         try:
+            print("[auth.tokenstorage] revoke token")
             payload = JWTCodec.decode(token)
         except:  # noqa
             pass
-        else:
+        finally:
             await redis.execute("DEL", f"{payload.user_id}-{token}")
         return True
 
diff --git a/base/redis.py b/base/redis.py
index 39f5d47a..7468af0a 100644
--- a/base/redis.py
+++ b/base/redis.py
@@ -1,5 +1,5 @@
 from aioredis import from_url
-
+from asyncio import sleep
 from settings import REDIS_URL
 
 
@@ -21,7 +21,12 @@ class RedisCache:
         self._instance = None
 
     async def execute(self, command, *args, **kwargs):
-        return await self._instance.execute_command(command, *args, **kwargs)
+        while not self._instance:
+            await sleep(1)
+            try:
+                await self._instance.execute_command(command, *args, **kwargs)
+            except Exception:
+                pass
 
     async def lrange(self, key, start, stop):
         return await self._instance.lrange(key, start, stop)
diff --git a/resolvers/auth.py b/resolvers/auth.py
index b2923ce3..c167394b 100644
--- a/resolvers/auth.py
+++ b/resolvers/auth.py
@@ -42,6 +42,7 @@ async def get_current_user(_, info):
 async def confirm_email(_, info, token):
     """confirm owning email address"""
     try:
+        print('[resolvers.auth] confirm email by token')
         payload = JWTCodec.decode(token)
         user_id = payload.user_id
         await TokenStorage.get(f"{user_id}-{token}")
@@ -175,7 +176,7 @@ async def login(_, info, email: str, password: str = "", lang: str = "ru"):
                     }
                 except InvalidPassword:
                     print(f"[auth] {email}: invalid password")
-                    raise InvalidPassword("invalid passoword")  # contains webserver status
+                    raise InvalidPassword("invalid password")  # contains webserver status
                     # return {"error": "invalid password"}
 
 
diff --git a/resolvers/inbox/load.py b/resolvers/inbox/load.py
index 264e5c24..d3ca0ff1 100644
--- a/resolvers/inbox/load.py
+++ b/resolvers/inbox/load.py
@@ -33,18 +33,24 @@ async def load_messages(chatId: str, limit: int, offset: int):
 async def load_chats(_, info, limit: int, offset: int):
     """ load :limit chats of current user with :offset """
     user = info.context["request"].user
-    chats = await redis.execute("GET", f"chats_by_user/{user.slug}")
-    if chats:
-        chats = list(json.loads(chats))[offset:offset + limit]
-    if not chats:
-        chats = []
-    for c in chats:
-        c['messages'] = await load_messages(c['id'], limit, offset)
-        c['unread'] = await get_unread_counter(c['id'], user.slug)
-    return {
-        "chats": chats,
-        "error": None
-    }
+    if user:
+        chats = await redis.execute("GET", f"chats_by_user/{user.slug}")
+        if chats:
+            chats = list(json.loads(chats))[offset:offset + limit]
+        if not chats:
+            chats = []
+        for c in chats:
+            c['messages'] = await load_messages(c['id'], limit, offset)
+            c['unread'] = await get_unread_counter(c['id'], user.slug)
+        return {
+            "chats": chats,
+            "error": None
+        }
+    else:
+        return {
+            "error": "please login",
+            "chats": []
+        }
 
 
 @query.field("loadMessagesBy")
diff --git a/resolvers/zine/load.py b/resolvers/zine/load.py
index 3dbda0ee..4f37f9c2 100644
--- a/resolvers/zine/load.py
+++ b/resolvers/zine/load.py
@@ -31,6 +31,7 @@ def apply_filters(q, filters, user=None):
         q = q.filter(Shout.createdAt > before)
     return q
 
+
 @query.field("loadShout")
 async def load_shout(_, info, slug):
     with local_session() as session:
diff --git a/resolvers/zine/reactions.py b/resolvers/zine/reactions.py
index f74d6ee7..1f4d48c2 100644
--- a/resolvers/zine/reactions.py
+++ b/resolvers/zine/reactions.py
@@ -1,5 +1,5 @@
 from datetime import datetime, timedelta
-from sqlalchemy import and_, asc, desc, select, text, func, column
+from sqlalchemy import and_, asc, desc, select, text, func
 from sqlalchemy.orm import aliased
 
 from auth.authenticate import login_required
@@ -23,12 +23,10 @@ async def get_reaction_stat(reaction_id):
 def reactions_follow(user: User, slug: str, auto=False):
     with local_session() as session:
         following = (
-            session.query(ShoutReactionsFollower)
-                .where(and_(
+            session.query(ShoutReactionsFollower).where(and_(
                 ShoutReactionsFollower.follower == user.slug,
                 ShoutReactionsFollower.shout == slug
-            ))
-                .first()
+            )).first()
         )
         if not following:
             following = ShoutReactionsFollower.create(
@@ -43,12 +41,10 @@ def reactions_follow(user: User, slug: str, auto=False):
 def reactions_unfollow(user, slug):
     with local_session() as session:
         following = (
-            session.query(ShoutReactionsFollower)
-                .where(and_(
+            session.query(ShoutReactionsFollower).where(and_(
                 ShoutReactionsFollower.follower == user.slug,
                 ShoutReactionsFollower.shout == slug
-            ))
-                .first()
+            )).first()
         )
         if following:
             session.delete(following)
@@ -199,6 +195,7 @@ async def delete_reaction(_, info, rid):
         session.commit()
     return {}
 
+
 def map_result_item(result_item):
     reaction = result_item[0]
     user = result_item[1]
diff --git a/services/auth/users.py b/services/auth/users.py
index 0d76dfa8..df6a84ee 100644
--- a/services/auth/users.py
+++ b/services/auth/users.py
@@ -23,10 +23,12 @@ class UserStorage:
     async def get_user(id):
         with local_session() as session:
             user = (
-                session.query(User)
-                    .options(selectinload(User.roles), selectinload(User.ratings))
-                    .filter(User.id == id)
-                    .one()
+                session.query(User).options(
+                    selectinload(User.roles),
+                    selectinload(User.ratings)
+                ).filter(
+                    User.id == id
+                ).one()
             )
 
             return user
diff --git a/services/stat/reacted.py b/services/stat/reacted.py
index 00f4fb66..dfded159 100644
--- a/services/stat/reacted.py
+++ b/services/stat/reacted.py
@@ -35,8 +35,10 @@ class ReactedStorage:
 
     @staticmethod
     async def get_shout_stat(slug):
+        viewed = int(await ViewedStorage.get_shout(slug))
+        print(viewed)
         return {
-            "viewed": await ViewedStorage.get_shout(slug),
+            "viewed": viewed,
             "reacted": len(await ReactedStorage.get_shout(slug)),
             "commented": len(await ReactedStorage.get_comments(slug)),
             "rating": await ReactedStorage.get_rating(slug),
diff --git a/services/stat/viewed.py b/services/stat/viewed.py
index ca3dabc1..ece3e8c1 100644
--- a/services/stat/viewed.py
+++ b/services/stat/viewed.py
@@ -3,7 +3,7 @@ from datetime import timedelta, timezone, datetime
 from gql import Client, gql
 from gql.transport.aiohttp import AIOHTTPTransport
 from base.orm import local_session
-from sqlalchemy import func, select
+from sqlalchemy import func
 from orm.shout import ShoutTopic
 from orm.viewed import ViewedEntry
 from ssl import create_default_context
@@ -119,12 +119,14 @@ class ViewedStorage:
             if not shout_views:
                 shout_views = 0
                 with local_session() as session:
-                    shout_views_q = select(func.sum(ViewedEntry.amount)).where(
-                        ViewedEntry.shout == shout_slug
-                    )
-                    shout_views = session.execute(shout_views_q)
-                    self.by_shouts[shout_slug] = shout_views
-                    self.update_topics(session, shout_slug)
+                    try:
+                        shout_views = session.query(func.sum(ViewedEntry.amount)).where(
+                            ViewedEntry.shout == shout_slug
+                        ).all()[0][0]
+                        self.by_shouts[shout_slug] = shout_views
+                        self.update_topics(session, shout_slug)
+                    except Exception as e:
+                        raise e
 
             return shout_views