Update app2.py

app2.py

@@ -13,7 +13,7 @@ from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
 from sqlalchemy.future import select
 from sqlalchemy.orm import sessionmaker
 from dotenv import load_dotenv
-from pydantic import BaseSettings
+from pydantic_settings import BaseSettings
 
 # --- Configuration ---
 load_dotenv()  # Load environment variables from .env file