🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Author: gcf-owl-bot[bot]

tests/unit/data/test__helpers.py

@@ -100,7 +100,6 @@ def test_attempt_timeout_w_sleeps(self):
 
 
 class TestBackoffGenerator:
-
     def test_backoff_generator_history(self):
         """
         Should be able to retrieve historical results from backoff generator