Update app.py

app.py

@@ -148,5 +148,5 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
     button2 = gr.Button(value="Submit", visible=False)
     button2.click(btn_2, [textbox, chatbot, state],[textbox, chatbot, state, button2])
     button1.click(btn_1 ,[textbox, chatbot, state],[button1, button2, textbox, chatbot, state])
-demo.queue(concurrency_count=2, api_open=False).launch()
+demo.queue(api_open=False).launch()