Update app.py

app.py

@@ -48,5 +48,5 @@ with gr.Blocks() as demo:
 
     btn.click(respond, inputs=[msg, chatbot, system], outputs=[msg, chatbot])
     msg.submit(respond, inputs=[msg, chatbot, system], outputs=[msg, chatbot]) #Press enter to submit
-gr.close_all()
-demo.queue().launch(share=True, server_port=int(os.environ['PORT4']))
+
+demo.launch()