Update app.py

app.py

@@ -73,7 +73,7 @@ welcome_preview_message = f"""
 
 """
 
-chatbot_preview = gr.Chatbot( value=[(None, welcome_preview_message)])
+chatbot_preview = gr.Chatbot(layout="panel",  value=[(None, welcome_preview_message)])
 textbox_preview = gr.Textbox(scale=7, container=False, value=EXAMPLE_INPUT)
 
 demo = gr.ChatInterface(test_preview_chatbot, chatbot=chatbot_preview, textbox=textbox_preview)