Method __delitem__

dask/_task_spec.py:1036–1038

(self, key: Any)

        return iter(self.dsk)

    def __delitem__(self, key: Any) -> None:
        self._cache.clear()
        self._removed.add(key)

    def __setitem__(self, key: Any, value: Any) -> None:
        raise NotImplementedError