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/template/test_safe_eval.py

@@ -24,9 +24,9 @@ from collections import defaultdict
 
 from ansible.compat.tests import unittest
 from ansible.compat.tests.mock import patch, MagicMock
-
 from ansible.template.safe_eval import safe_eval
 
+
 class TestSafeEval(unittest.TestCase):
 
     def setUp(self):