@classmethod
    def get_first_root_node(cls):
        try:
            return cls.get_root_nodes()[0]
        except IndexError:
            return None
Ensure all blocks in the given sector that should be hidden are
dataset/ETHPy150Open tabo/django-treebeard/treebeard/models.py/Node.get_first_root_node--crossover with--dataset/ETHPy150Open traverseda/pycraft/pycraft/world.py/World.hide_sector