@classmethod
    def add_root(cls, **kwargs):  # pragma: no cover
        raise NotImplementedError
Constructor.
dataset/ETHPy150Open tabo/django-treebeard/treebeard/models.py/Node.add_root--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/appengine-mapreduce/python/src/mapreduce/context.py/_MutationPool.__init__