Update gradio-app.py

gradio-app.py

@@ -131,7 +131,7 @@ with gr.Blocks(css=css) as demo:
             ],
             fn=predict,
             inputs=inputs,
-            outputs=[image, 'XXX'],
+            outputs=[image, msg],
         )
         generate_bt.click(fn=predict, inputs=inputs, outputs=[image, msg], show_progress=False)
         seed.change(fn=predict, inputs=inputs, outputs=[image, msg], show_progress=False)