Update app.py

app.py

@@ -93,5 +93,5 @@ with gr.Blocks() as demo:
                         inputs=[system_input],
                         outputs=[system_state, system_input, chatbot])
 
-demo.queue(api_open=False)
+demo.queue(api_open=False, default_concurrency_limit=30)
 demo.launch(max_threads=30)