Update app.py

app.py

@@ -81,7 +81,7 @@ with gr.Blocks(theme=gr.themes.Monochrome(),css="footer{display:none !important}
     Chatbot = gr.Chatbot(label="Anonymous User",layout=['bubble']) # Creating a gradio-chatbot User Interface with the label "Anonymous User".
 
     txt = gr.Textbox(show_label=False, placeholder = initial_message,container=False)
-    txt.submit(None,txt,Chatbot)
+    
     txt.submit(predict_prompt, [txt, user_id], Chatbot) # Adding the messages into the row with gradio.
         
 chatblock.launch() # launch!