Method copy

xarray/core/groupby.py:239–240

(self, deep: bool = True, data: Any = None)

        return pd.Index(np.arange(self.size))

    def copy(self, deep: bool = True, data: Any = None):
        raise NotImplementedError

    def to_dataarray(self) -> DataArray:
        from xarray.core.dataarray import DataArray