fix: Add missing commas in function calls and improve code formatting

app/repositories/user.py

@@ -2,9 +2,9 @@
 
 from typing import Any
 
+from sqlalchemy.orm import selectinload
 from sqlmodel import select
 from sqlmodel.ext.asyncio.session import AsyncSession
-from sqlalchemy.orm import selectinload
 
 from app.core.logging import get_logger
 from app.models.plan import Plan