Update app.py

app.py

@@ -428,5 +428,5 @@ You can verify what was sent to the chatbot model here. It is ideally in English
     file_msg.then(lambda: (gr.update(interactive=True),gr.update(interactive=True,value=None)), None, [txt, btn], )
 
 
-demo.queue(concurrency_count=2)
+demo.queue()
 demo.launch(debug=True)