[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'