Update app.py

app.py

@@ -80,7 +80,7 @@ with gr.Blocks(theme=gr.themes.Monochrome(),css="footer{display:none !important}
     initial_message = "Please write your prompt here and press 'enter'" # Initial message for the User Interface (basically the message for the typing input area so change the message under the quotes if you want to change that)
     Chatbot = gr.Chatbot(label="Anonymous User",group_consecutive_messages=False) # Creating a gradio-chatbot User Interface with the label "Anonymous User".
 
-    txt = gr.Textbox(show_label=False, placeholder = initial_message,container=False,layout: ['bubble'])
+    txt = gr.Textbox(show_label=False, placeholder = initial_message,container=False,layout:'bubble')
     txt.submit(predict_prompt, [txt, user_id], Chatbot) # Adding the messages into the row with gradio.
         
 chatblock.launch() # launch!