def has_parent(self, state, key, optimistic=False):
        return self.get_impl(key).hasparent(state, optimistic=optimistic)
Test setting an explicit tieredprice on a product, but no tier for user
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/orm/instrumentation.py/ClassManager.has_parent--crossover with--dataset/ETHPy150Open dokterbob/satchmo/satchmo/apps/satchmo_ext/tieredpricing/tests.py/TieredTest.test_tieredprice_no_tier_user