def create_vertex_index(self, index_name, *args, **kwds):
        raise NotImplementedError
>>> QFactory().user.username.contains('Rodriguez')
dataset/ETHPy150Open espeed/bulbs/bulbs/titan/client.py/TitanClient.create_vertex_index--crossover with--dataset/ETHPy150Open Nepherhotep/django-orm-sugar/django_orm_sugar.py/QFactory.contains