fix

src/core/callcenter/ws.py

@@ -79,8 +79,6 @@ class MyNamespace(Namespace):
         now = datetime.now().timestamp()
         key = CENTER_AGENT_HEARTBEAT % saas_id
         redis_handler.redis.hset(key, agent_id, now)
-        logger.info('heartbeat received: %s %s', heartbeat, type(heartbeat))
-        pass
 
     def on_OnPrompt(self, event):
         pass