def get_queryset(self):
        try:
            qs = super(QueryManagerMixin, self).get_queryset().filter(self._q)
        except __HOLE__:
            qs = super(QueryManagerMixin, self).get_query_set().filter(self._q)
        if self._order_by is not None:
            return qs.order_by(*self._order_by)
        return qs
dataset/ETHPy150Open carljm/django-model-utils/model_utils/managers.py/QueryManagerMixin.get_queryset