def get(self, subpath):
        raise NotImplementedError()
Unique-check doesn't blow up if product is unset.
dataset/ETHPy150Open mindsnacks/Zinc/src/zinc/storages/__init__.py/StorageBackend.get--crossover with--dataset/ETHPy150Open mozilla/moztrap/tests/model/core/models/test_productversion.py/ProductVersionTest.test_unique_constraint_with_unset_product