TYP:  RangeIndex._constructor
`RangeIndex._constructor` returns `Type[Int64Index]` but it is supposed to return the current type of the class itself (`Type[RangeIndex]`) .

pandas/core/indexes/range.py:179: error: Return type "Type[Int64Index]" of "_constructor" incompatible with return type "Type[RangeIndex]" in supertype "Index"  [override]


Found by declaring `cache_readonly = property`.