GH1419 Soften typing in RangeIndex.where

Author: loicdiridollou

pandas-stubs/core/indexes/range.pyi

@@ -15,7 +15,6 @@ from pandas.core.indexes.base import (
     Index,
     _IndexSubclassBase,
 )
-from typing_extensions import Self
 
 from pandas._typing import (
     AnyArrayLike,
@@ -99,8 +98,8 @@ class RangeIndex(_IndexSubclassBase[int, np.int64]):
     def __getitem__(  # pyright: ignore[reportIncompatibleMethodOverride]
         self, idx: int
     ) -> int: ...
-    def where(
+    def where(  # type: ignore[override]
         self,
         cond: Sequence[bool] | np_ndarray_bool | BooleanArray | IndexOpsMixin[bool],
         other: Scalar | AnyArrayLike | None = None,
-    ) -> Self: ...
+    ) -> Index: ...

tests/indexes/test_indexes.py

@@ -1577,4 +1577,4 @@ def test_datetimeindex_where() -> None:
     check(assert_type(val_scalar, pd.Index), pd.Index)
 
     val_range = pd.RangeIndex(2).where(pd.Series([True, False]), 3)
-    check(assert_type(val_range, pd.RangeIndex), pd.RangeIndex)
+    check(assert_type(val_range, pd.Index), pd.RangeIndex)