Update app.py

app.py

@@ -324,7 +324,7 @@ Before deciding which model to use, you can expand `Example showcases` to see so
 
                 with gr.Column(elem_id="aux-btns-popup", visible=True):
                     with gr.Row():
-                        stop = gr.Button("Stop", elem_classes=["aux-btn"], interactive=False)
+                        stop = gr.Button("Stop", elem_classes=["aux-btn"], interactive=True)
                         regenerate = gr.Button("Regen", interactive=False, elem_classes=["aux-btn"])
                         clean = gr.Button("Clean", elem_classes=["aux-btn"])