fixing DQ issues

app/tasks/background_tasks.py

@@ -1,4 +1,12 @@
 # app/tasks/background_tasks.py
+"""Summary description ....
+
+This module provides classes and functions for:
+- ....
+- ....
+- ....
+"""
+
 import logging
 from datetime import datetime
 
@@ -12,7 +20,7 @@ logger = logging.getLogger(__name__)
 async def process_marketplace_import(
     job_id: int, url: str, marketplace: str, shop_name: str, batch_size: int = 1000
 ):
-    """Background task to process marketplace CSV import"""
+    """Background task to process marketplace CSV import."""
     db = SessionLocal()
     csv_processor = CSVProcessor()
     job = None  # Initialize job variable