Update app.py

app.py

@@ -564,7 +564,7 @@ def stop_processing(chatbot):
     if current_event and not current_event.done():
         stop_event.set()  # Signal the process to stop
         current_event.cancel()  # Attempt to cancel the current_event
-    chatbot.append((user_question, "Sorry, we encountered an error while processing your request. Please try after some time."))
+    chatbot.append(("Sorry, we encountered an error while processing your request. Please try after some time.",""))
     return gr.update(value=chatbot)
 
 # This function is for agent executor invoke with the option of stop