@base.resource(Invoices)
    def invoices(self):
        return Invoices(self)
Ensures that a Model subclass contains a default manager  and sets the
dataset/ETHPy150Open ducksboard/libsaas/libsaas/services/stripe/service.py/Stripe.invoices--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/models/manager.py/ensure_default_manager