add submit

app.py

@@ -168,6 +168,9 @@ with gr.Blocks() as demo:
     messages = gr.State(data['messages'])
 
     # submitBtn.click(showInput, [user_input, chatbot], [chatbot])
+    user_input.submit(predict, [user_input, chatbot, messages, idx, answer], [chatbot, messages],
+                    show_progress=True)
+    user_input.submit(reset_user_input, [], [user_input])
     submitBtn.click(predict, [user_input, chatbot, messages, idx, answer], [chatbot, messages],
                     show_progress=True)
     submitBtn.click(reset_user_input, [], [user_input])