def test_no_contextlib_nested(self): self.assertEqual(1, len(list(checks.check_no_contextlib_nested( "with contextlib.nested(")))) self.assertEqual(1, len(list(checks.check_no_contextlib_nested( " with nested(")))) self.assertEqual(0, len(list(checks.check_no_contextlib_nested( "with my.nested(")))) self.assertEqual(0, len(list(checks.check_no_contextlib_nested( "with foo as bar"))))