slice_locs can return either np.integer or int

Author: MarcoGorelli

pandas-stubs/core/indexes/base.pyi

@@ -567,7 +567,7 @@ class Index(IndexOpsMixin[S1], ElementOpsMixin[S1]):
     def get_slice_bound(self, label: Scalar, side: Literal["left", "right"]) -> int: ...
     def slice_locs(
         self, start: SliceType = None, end: SliceType = None, step: int | None = None
-    ) -> tuple[np.integer, int]: ...
+    ) -> tuple[int | np.integer, int | np.integer]: ...
     def delete(
         self, loc: np.integer | int | AnyArrayLikeInt | Sequence[int]
     ) -> Self: ...