Update app.py

app.py

@@ -215,7 +215,7 @@ with gr.Blocks() as demo:
     submit_button.click(
         fn=generate_response,
         inputs=[question_textbox, chatbot],
-        outputs=[chatbot, chatbot],  # Output the updated history to the chatbot
+        outputs=[chatbot],  # Output the updated history to the chatbot
         queue=True
     )