Method _unary_op

xarray/core/datatree.py:1941–1943

(self, f, *args, **kwargs)

        return tuple(node.path for node in self.subtree)

    def _unary_op(self, f, *args, **kwargs) -> DataTree:
        # TODO do we need to any additional work to avoid duplication etc.? (Similar to aggregations)
        return self.map_over_datasets(functools.partial(f, **kwargs), *args)

    def _binary_op(self, other, f, reflexive=False, join=None) -> DataTree:
        from xarray.core.groupby import GroupBy