def inactive(self):
        return self.filter(status=ActivatorModel.INACTIVE_STATUS)
A backref name may not shadow an existing property name.
dataset/ETHPy150Open django-extensions/django-extensions/django_extensions/db/models.py/ActivatorQuerySet.inactive--crossover with--dataset/ETHPy150Open zzzeek/sqlalchemy/test/orm/test_mapper.py/MapperTest.test_prop_shadow