add hint

Html/apps/extension_ase/ase_client/client.py

@@ -92,6 +92,7 @@ class ASEngineClient:
 
         @self.sio.on(route, namespace=self.namespace)
         def on_route_message(data, _route=route):
+            if not self.connected: return
             print(f"Received message on route '{_route}': {data}")
             route_info = self.routes.get(_route)
             if not route_info: