fix: add type filter message

main.py

@@ -231,9 +231,7 @@ async def websocket_endpoint(websocket: WebSocket,  client_id: int):
                executor.submit(QA(inputs=prompt, return_only_outputs=True, callbacks=[MyCustomSyncHandler()], tags=f'{client_id}', include_run_info=True))
 
             for item in pubsub.listen():
-                print(type(item))
-
-                itemJson = json.dumps(item)
+                itemJson = str(item)
                 print(itemJson)
                 # await websocket.send_text(f'{item}')