test/: PEP8 compliancy (#24803)

* test/: PEP8 compliancy

- Make PEP8 compliant

* Python3 chokes on casting int to bytes (#24952)

But if we tell the formatter that the var is a number, it works

test/units/executor/test_task_result.py

@@ -24,6 +24,7 @@ from ansible.compat.tests.mock import patch, MagicMock
 
 from ansible.executor.task_result import TaskResult
 
+
 class TestTaskResult(unittest.TestCase):
     def test_task_result_basic(self):
         mock_host = MagicMock()