def add_resource(self, resource, parents=[]):
        self._resources.setdefault(resource, set())
        self._resources[resource].update(parents)
ResultRegistery.stop() fires registered EventualResult with
dataset/ETHPy150Open tonyseek/simple-rbac/rbac/acl.py/Registry.add_resource--crossover with--dataset/ETHPy150Open itamarst/crochet/crochet/tests/test_api.py/ResultRegistryTests.test_stopped_registered