update

backend/database/database.py

@@ -1,5 +1,8 @@
+from typing import Annotated
+
+from fastapi import Depends
 from sqlalchemy import create_engine
-from sqlalchemy.orm import sessionmaker, declarative_base
+from sqlalchemy.orm import Session, sessionmaker, declarative_base
 
 DATABASE_URL = "sqlite:///videos/youtubeapp.db"
 
@@ -18,3 +21,6 @@ def getDb():
         yield db
     finally:
         db.close()
+
+
+DbSession = Annotated[Session, Depends(getDb)]