def bill(self, id):
        return Bill.find_with_client(id, self)
Ensure that multiple inlines with related_name='+' have correct form
dataset/ETHPy150Open gocardless/gocardless-python/gocardless/client.py/Client.bill--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/regressiontests/admin_inlines/tests.py/TestInline.test_non_related_name_inline