LINT: black

Author: ivanovmg

pandas/core/generic.py

@@ -11791,8 +11791,5 @@ def validate_ascending(
 
 def _check_ascending_element(value):
     """Ensure that each item in ``ascending`` kwarg is either bool or int."""
-    if (
-        value is None
-        or not isinstance(value, (bool, int))
-    ):
+    if value is None or not isinstance(value, (bool, int)):
         raise ValueError("ascending must be either a bool or a sequence of bools")

pandas/tests/frame/methods/test_sort_index.py

@@ -766,7 +766,7 @@ def test_sort_index_with_categories(self, categories):
         [
             None,
             (True, None),
-            (False, 'True'),
+            (False, "True"),
         ],
     )
     def test_sort_index_ascending_bad_value_raises(self, ascending):

pandas/tests/series/methods/test_sort_index.py

@@ -203,7 +203,7 @@ def test_sort_index_ascending_list(self):
         [
             None,
             (True, None),
-            (False, 'True'),
+            (False, "True"),
         ],
     )
     def test_sort_index_ascending_bad_value_raises(self, ascending):