Import uvicorn at the begin

backend/main.py

@@ -1,6 +1,7 @@
 from fastapi import FastAPI, APIRouter
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import JSONResponse
+import uvicorn
 import os
 from dotenv import load_dotenv
 import yaml
@@ -150,5 +151,4 @@ app.include_router(router, prefix="/api")
 
 # ✅ This is the missing part:
 if __name__ == "__main__":
-    import uvicorn
     uvicorn.run("main:app", host="0.0.0.0", port=8000, reload=True)