fixes...

resolvers/unread.py

@@ -4,18 +4,15 @@ import json
 from services.auth import login_required
 
 
-async def get_unread_counter(chat_id: str, author_id: int):
+async def get_unread_counter(chat_id: str, author_id: int) -> int:
     try:
-        unread = await redis.execute(
-            "LLEN", f"chats/{chat_id}/unread/{author_id}"
-        )
-        if unread:
-            return unread
+        unread = await redis.execute("LLEN", f"chats/{chat_id}/unread/{author_id}")
+        return unread or 0
     except Exception:
         return 0
 
 
-async def get_total_unread_counter(author_id: int):
+async def get_total_unread_counter(author_id: int) -> int:
     chats = await redis.execute("GET", f"chats_by_author/{author_id}")
     unread = 0
     if chats: