Method __dask_layers__

xarray/core/dataset.py:669–679

(self)

        ]

    def __dask_layers__(self):
        import dask

        return sum(
            (
                v.__dask_layers__()
                for v in self.variables.values()
                if dask.is_dask_collection(v)
            ),
            (),
        )

    @property
    def __dask_optimize__(self):