diff --git a/handlers/messages_routing.py b/handlers/messages_routing.py
index cd0b71d..b14f53c 100644
--- a/handlers/messages_routing.py
+++ b/handlers/messages_routing.py
@@ -48,12 +48,10 @@ async def messages_routing(msg, state):
                 reply_to_msg_id = reply_msg.get("message_id")
                 if not reply_to_msg_id and latest_toxic_message_id:
                     reply_to_msg_id = int(latest_toxic_message_id)
-            try:
-                # count average between all of messages
-                toxic_pattern = f"toxic:{cid}:{uid}:*"
-                toxic_score = await get_average_pattern(toxic_pattern)
-            except Exception:
-                pass
+
+            # count average between all of messages
+            toxic_pattern = f"toxic:{cid}:{uid}:*"
+            toxic_score = await get_average_pattern(toxic_pattern)
 
             # current mesasage toxicity
             if reply_to_msg_id:
diff --git a/state/scan.py b/state/scan.py
index 3271a2c..5fd62c1 100644
--- a/state/scan.py
+++ b/state/scan.py
@@ -24,11 +24,16 @@ async def get_all_pattern(uid):
 
 async def get_average_pattern(pattern):
     scores = []
-    async for key in redis.scan_iter(pattern):
-        scr = await redis.get(str(key))
-        scr = int(scr)
-        if isinstance(scr, int):
-            scores.append(scr)
-    logger.debug(f"found {len(scores)} messages")
-    toxic_score = math.floor(sum(scores) / len(scores)) if scores else 0
-    return toxic_score
+    toxic_score = 0
+    try:
+        async for key in redis.scan_iter(pattern):
+            scr = await redis.get(str(key))
+            scr = int(scr)
+            if isinstance(scr, int):
+                scores.append(scr)
+        logger.debug(f"found {len(scores)} messages")
+        toxic_score = math.floor(sum(scores) / len(scores)) if scores else 0
+    except Exception:
+        pass
+    finally:
+        return toxic_score