ugh django orm

gistfile1.txt

@pytest.fixture
def GroupFixture():
    def wrapper(name='Test Group'):
        return Group(name=name)
    return wrapper


@pytest.fixture
def UserFixture():
    def wrapper(groups=None):
        groups = groups or []
        u = User()
        u.memberships = [GroupMember(user=u, group=g) for g in groups]
        u.save()
        return u
    return wrapper



E                   ValueError: save() prohibited to prevent data loss due to unsaved related object 'group'.