Update app.py

app.py

@@ -423,4 +423,4 @@ with gr.Blocks(theme=themes.Soft(), css="""#chatbot {height: 800px; overflow: au
     )
     clear.click(lambda: [], None, chatbot, queue=False)
 
-demo.queue(max_size=128).launch()
+demo.queue(max_size=128).launch()