Fix uvicorn app reference to avoid server/ package shadowing server.py

server.py

@@ -588,4 +588,4 @@ async def websocket_endpoint(websocket: WebSocket):
 if __name__ == "__main__":
     import uvicorn
     port = int(os.environ.get("PORT", 7860))
-    uvicorn.run("server:app", host="0.0.0.0", port=port, reload=False)
+    uvicorn.run(app, host="0.0.0.0", port=port, reload=False)