fixing DQ issues

app/services/marketplace_service.py

@@ -22,12 +22,14 @@ logger = logging.getLogger(__name__)
 
 
 class MarketplaceService:
+    """Service class for Marketplace operations following the application's service pattern."""
+
     def __init__(self):
         """Class constructor."""
         pass
 
     def validate_shop_access(self, db: Session, shop_code: str, user: User) -> Shop:
-        """Validate that the shop exists and user has access to it"""
+        """Validate that the shop exists and user has access to it."""
         # Explicit type hint to help type checker shop: Optional[Shop]
         # Use case-insensitive query to handle both uppercase and lowercase codes
         shop: Optional[Shop] = (
@@ -67,7 +69,8 @@ class MarketplaceService:
         db.refresh(import_job)
 
         logger.info(
-            f"Created marketplace import job {import_job.id}: {request.marketplace} -> {shop.shop_name} (shop_code: {shop.shop_code}) by user {user.username}"
+            f"Created marketplace import job {import_job.id}: "
+            f"{request.marketplace} -> {shop.shop_name} (shop_code: {shop.shop_code}) by user {user.username}"
         )
 
         return import_job