@classmethod
  def kind(cls):
    if cls is cls.__root_class__:
      return super(PolyModel, cls).kind()
    else:
      return cls.__root_class__.kind()
Delete permissions related to an object instance
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/db/polymodel.py/PolyModel.kind--crossover with--dataset/ETHPy150Open jazzband/django-authority/authority/managers.py/PermissionManager.delete_objects_permissions