@base.resource(resources.Account)
    def user(self):
        return resources.User(self)
test device vendor is haiwei.
dataset/ETHPy150Open ducksboard/libsaas/libsaas/services/ducksboard/service.py/Ducksboard.user--crossover with--dataset/ETHPy150Open openstack/compass-core/compass/tests/hdsdiscovery/test_hdsdiscovery.py/HuaweiTest.test_is_this_vendor