Update app.py

app.py

@@ -92,7 +92,7 @@ with block:
             state = gr.State()
             
     upload_button.click(message_and_history, inputs=[img_input, message, state, api_input], outputs=[chatbot, state])
-    upload_button.click(mark_contours, inputs=image_name, outputs=output_img)
+    upload_button.click(mark_contours, inputs=img_input, outputs=output_img)
     message.submit(message_and_history, inputs=[img_input, message, state, api_input], outputs=[chatbot, state])
     message.submit(lambda: None, None, message, queue=False)
 block.launch()