Fix step error handling and wire up error_box

app.py

@@ -117,8 +117,4 @@ with gr.Blocks() as demo:
     event.then(lambda: gr.update(interactive=True), None, inpaint_btn)
 
     # Launch in debug mode so exceptions & prints go to your terminal/logs
-    demo.launch(
-    server_name="0.0.0.0",
-    server_port=7865,
-    debug=True
-    )
+    demo.launch(debug=True)