Update app.py

app.py

@@ -434,8 +434,6 @@ def _launch_demo(args, model, processor):
             chatbot = gr.Chatbot(
                 label='Chat',
                 height=600,
-                layout="bubble",         # you can also drop this if your version is older
-                show_copy_button=True,
             )
 
             # Input panel