try to add model to link validator

queue_message/CookiesPublisher.py

@@ -37,4 +37,8 @@ class CookiesPublisher:
         ))
 
     def message_count(self):
+        # try:
         return self.channel.queue_declare(queue=self.to_queue, durable=True).method.message_count
+        # except Exception as error:
+        #     print(error)
+        #     return 0