Update app.py

app.py

@@ -317,4 +317,4 @@ if __name__ == "__main__":
     huggingface_hub.login(os.getenv('HF_TOKEN'))
 
     demo = create_demo(args, args.name, args.device, args.offload)
-    demo.launch()
+    demo.launch(show_error = True)#show the error