def and_(self, option):
        self._relationship_options.update(option._relationship_options)
        return self
GET /users/<id>/relationships.json (group)
dataset/ETHPy150Open iurisilvio/Flask-SQLAlchemy-Cache/flask_sqlalchemy_cache/core.py/RelationshipCache.and_--crossover with--dataset/ETHPy150Open typepad/python-typepad-api/tests/test_typepad.py/TestGroup.test_1_GET_users_id_relationships