Update app.py

app.py

@@ -102,7 +102,7 @@ async def create_demo():
 async def main():
     demo = await create_demo()
     demo.queue()
-demo.launch()
+    await demo.launch()  # ✅ note: `await` is needed here
 
 if __name__ == "__main__":
     asyncio.run(main())