[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

tests/checkers/unittest_variables.py

@@ -200,7 +200,8 @@ def test_attribute_in_type_comment(self):
             """
         import abc
         x = ... # type: abc.ABC
-        """)
+        """
+        )
         with self.assertNoMessages():
             self.walk(module)