[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

cl/tests/api/utils.py

@@ -1,6 +1,7 @@
 import unittest
 from unittest.mock import MagicMock, patch
 
+
 class TestApiUsage(unittest.TestCase):
     def setUp(self):
         self.start_date = '2023-01-01'
@@ -17,7 +18,7 @@ def test_recent_api_usage(self, mock_get_redis_interface):
         mock_redis.pipeline.return_value = mock_pipeline
 
         mock_pipeline.execute.return_value = [
-            self.v3_results] * len(self.expected_dates) + 
+            self.v3_results] * len(self.expected_dates) +
             [self.v4_results] * len(self.expected_dates)
 
         results = get_recent_api_usage(self.start_date, self.end_date)