def subscription(self, id):
        return Subscription.find_with_client(id, self)
The unknown user created should be configured with an email address.
dataset/ETHPy150Open gocardless/gocardless-python/gocardless/client.py/Client.subscription--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/auth/tests/remote_user.py/RemoteUserCustomTest.test_unknown_user