Update app.py

app.py

@@ -15,6 +15,6 @@ with block:
     btn = gr.Button("Generate")
     btn.click(lambda x:x, inputs=[prompt], outputs=[output])
 
-app.mount("/static", StaticFiles(directory="static", html=True))
+app.mount("/static", StaticFiles(directory="static", html=True), name="static")
 app = gr.mount_gradio_app(app, block, "/", gradio_api_url="http://localhost:7860/")
 uvicorn.run(app, host="0.0.0.0", port=7860)