Update main.py

main.py

@@ -1,7 +1,9 @@
 from fastapi import FastAPI , Request, APIRouter, Depends, HTTPException
 from starlette.middleware.cors import CORSMiddleware
 from routers import receipt_radar_callback_router
-
+import os
+from dotenv import load_dotenv
+load_dotenv()
 app = FastAPI()
 app.add_middleware(
     CORSMiddleware,