Method __getitem__

xarray/core/datatree.py:310–311

(self, key: Mapping)

    # FIXME https://github.com/python/mypy/issues/7328
    @overload  # type: ignore[override]
    def __getitem__(self, key: Mapping) -> Dataset:  # type: ignore[overload-overlap]
        ...

    @overload
    def __getitem__(self, key: Hashable) -> DataArray: ...