@overload
def identity(
    n: SupportsIndex,
    dtype: _DTypeLike[_SCT_co],
    format: None = ...,
) -> dia_array[Any, np.dtype[_SCT_co]]: ...
@overload
def identity(
    n: SupportsIndex,
    dtype: npt.DTypeLike = ...,
    format: None = ...,
) -> dia_array[Any, Any]: ...
