Return a new DataArray whose dataset is given by integer indexing
        along the specified dimension(s).

        See Also
        --------
        Dataset.isel
        DataArray.sel

def isel(self, indexers=None, drop=False, **indexers_kwargs):
        """Return a new DataArray whose dataset is given by integer indexing
        along the specified dimension(s).

        See Also
        --------
        Dataset.isel
        DataArray.sel
        """
        indexers = either_dict_or_kwargs(indexers, indexers_kwargs, 'isel')
        ds = self._to_temp_dataset().isel(drop=drop, indexers=indexers)
        return self._from_temp_dataset(ds)