QC check

tests/unit/utils/__init__.py

@@ -1,3 +1,2 @@
 # tests/unit/utils/__init__.py
 """Utility function unit tests."""
-

tests/unit/utils/test_csv_processor.py

@@ -8,6 +8,7 @@ import requests.exceptions
 
 from utils.csv_processor import CSVProcessor
 
+
 @pytest.mark.unit
 class TestCSVProcessor:
     def setup_method(self):
@@ -80,7 +81,9 @@ class TestCSVProcessor:
         # Mock failed HTTP response - need to make raise_for_status() raise an exception
         mock_response = Mock()
         mock_response.status_code = 404
-        mock_response.raise_for_status.side_effect = requests.exceptions.HTTPError("404 Not Found")
+        mock_response.raise_for_status.side_effect = requests.exceptions.HTTPError(
+            "404 Not Found"
+        )
         mock_get.return_value = mock_response
 
         with pytest.raises(requests.exceptions.HTTPError):

tests/unit/utils/test_data_validation.py

@@ -3,6 +3,7 @@ import pytest
 
 from utils.data_processing import GTINProcessor, PriceProcessor
 
+
 @pytest.mark.unit
 class TestDataValidation:
     def test_gtin_normalization_edge_cases(self):