correct append

app.py

@@ -1837,7 +1837,7 @@ with gr.Blocks() as demo:
     # )
     # main.textbox.submit(chathmi3, [main.textbox, main.chatbot], [main.textbox, main.chatbot])
     UserRecord = gr.State([])
-    UserRecord.append()
+    # UserRecord.append()
     timestr = time.strftime("%Y-%m-%d-%H:%M:%S")
     # Running_history = Running_history + [(None, 'Timestamp: '+timestr)]
     # # yield Running_history