Update app.py

app.py

@@ -50,6 +50,7 @@ with gr.Blocks() as chat_interface:
         return chat_with_buddy(chat_history, user_message), ""
 
     # Link the submit button to the function
+    message.submit(submit, inputs=[message, chatbot], outputs=[chatbot, message])
     submit_button.click(submit, inputs=[message, chatbot], outputs=[chatbot, message])
 
 # Launch the chat interface