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

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

Author: pre-commit-ci[bot]

pandas/tests/indexing/multiindex/test_setitem.py

@@ -547,7 +547,6 @@ def test_setitem_enlargement_multiindex_multiple_none(self):
         tm.assert_frame_equal(df, expected, check_index_type=False)
 
 
-
 def test_frame_setitem_view_direct(multiindex_dataframe_random_data):
     # this works because we are modifying the underlying array
     # really a no-no