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

        See Also
        --------
        Dataset.isel_points

def isel_points(self, dim='points', **indexers):
        """Return a new DataArray whose dataset is given by pointwise integer
        indexing along the specified dimension(s).

        See Also
        --------
        Dataset.isel_points
        """
        ds = self._to_temp_dataset().isel_points(dim=dim, **indexers)
        return self._from_temp_dataset(ds)