Update app.py

app.py

@@ -141,7 +141,7 @@ with gr.Blocks(css=css) as demo:
                                     }],
                                     elem_id="qwen-md")
         submit_btn.click(
-            fn=math_chat_bot,
+            fn=math_chatbot,
             inputs=[*input_image, input_sketchpad, input_text, state],
             outputs=output_md)
 demo.launch()