CLN: Apply pre-commit auto-fixes

Author: deniskrds

doc/source/whatsnew/v3.0.0.rst

@@ -1153,9 +1153,9 @@ Indexing
 - Bug in :meth:`DataFrame.loc.__getitem__` and :meth:`DataFrame.iloc.__getitem__` with a :class:`CategoricalDtype` column with integer categories raising when trying to index a row containing a ``NaN`` entry (:issue:`58954`)
 - Bug in :meth:`Index.__getitem__` incorrectly raising with a 0-dim ``np.ndarray`` key (:issue:`55601`)
 - Bug in :meth:`Index.get_indexer` not casting missing values correctly for new string datatype (:issue:`55833`)
+- Bug in :meth:`Index.intersection`, :meth:`Index.union`, :meth:`MultiIndex.intersection`, and :meth:`MultiIndex.union` returning a reference to the original Index instead of a new instance when operating on identical indexes, which could cause metadata corruption when modifying the result (:issue:`63169`)
 - Bug in adding new rows with :meth:`DataFrame.loc.__setitem__` or :class:`Series.loc.__setitem__` which failed to retain dtype on the object's index in some cases (:issue:`41626`)
 - Bug in indexing on a :class:`DatetimeIndex` with a ``timestamp[pyarrow]`` dtype or on a :class:`TimedeltaIndex` with a ``duration[pyarrow]`` dtype (:issue:`62277`)
-- Bug in :meth:`Index.intersection`, :meth:`Index.union`, :meth:`MultiIndex.intersection`, and :meth:`MultiIndex.union` returning a reference to the original Index instead of a new instance when operating on identical indexes, which could cause metadata corruption when modifying the result (:issue:`63169`)
 
 Missing
 ^^^^^^^

pandas/tests/indexes/timedeltas/test_setops.py

@@ -125,7 +125,7 @@ def test_intersection_equal(self, sort):
         # Corner cases
         inter = first.intersection(first, sort=sort)
         assert inter is not first
-        tm.assert_index_equal(inter, first)  
+        tm.assert_index_equal(inter, first)
 
     @pytest.mark.parametrize("period_1, period_2", [(0, 4), (4, 0)])
     def test_intersection_zero_length(self, period_1, period_2, sort):