diff --git a/resolvers/author.py b/resolvers/author.py
index 488cd2ed..66e4c19e 100644
--- a/resolvers/author.py
+++ b/resolvers/author.py
@@ -194,7 +194,7 @@ async def get_author_by_user_id(user_id: str):
     redis_key = f"user:{user_id}:author"
     res = await redis.execute("HGET", redis_key)
     if isinstance(res, dict) and res.get("id"):
-        logger.debug(f'got cached author: {res}')
+        logger.debug(f"got cached author: {res}")
         return res
 
     logger.info(f"getting author id for {user_id}")
diff --git a/services/db.py b/services/db.py
index 9bad709c..13f05014 100644
--- a/services/db.py
+++ b/services/db.py
@@ -23,21 +23,24 @@ Base = declarative_base()
 
 
 # Перехватчики для журнала запросов SQLAlchemy
-@event.listens_for(Engine, 'before_cursor_execute')
+@event.listens_for(Engine, "before_cursor_execute")
 def before_cursor_execute(conn, cursor, statement, parameters, context, executemany):
     query_id = id(cursor)  # Уникальный идентификатор запроса
-    conn.info.setdefault(f'query_start_time:{query_id}', time.time())
+    conn.info.setdefault(f"query_start_time:{query_id}", time.time())
 
-@event.listens_for(Engine, 'after_cursor_execute')
+
+@event.listens_for(Engine, "after_cursor_execute")
 def after_cursor_execute(conn, cursor, statement, parameters, context, executemany):
     query_id = id(cursor)  # Уникальный идентификатор запроса
-    if f'query_start_time:{query_id}' in conn.info:
-        total = time.time() - conn.info.get(f'query_start_time:{query_id}', time.time())
-        del conn.info[f'query_start_time:{query_id}']
-        stars = '*' * math.floor(total*1000)
-        if stars:
-            logger.debug(f'\n{statement}\n {stars} {total*1000} s\n')
-
+    if f"query_start_time:{query_id}" in conn.info:
+        total = time.time() - conn.info.get(f"query_start_time:{query_id}", time.time())
+        try:
+            del conn.info[f"query_start_time:{query_id}"]
+            stars = "*" * math.floor(total * 1000)
+            if stars:
+                logger.debug(f"\n{statement}\n {stars} {total*1000} s\n")
+        except Exception:
+            pass
 
 
 def local_session(src=""):