def deserialize(self, source):
        serializer = self.get_serializer()

        if isinstance(source, EsQueryset):
            # Note: generator ?
            return [serializer.deserialize(e) for e in source]
        else:
            return serializer.deserialize(source)
If @roles is used it replaces any env.roles value
dataset/ETHPy150Open liberation/django-elasticsearch/django_elasticsearch/managers.py/ElasticsearchManager.deserialize--crossover with--dataset/ETHPy150Open fabric/fabric/tests/test_main.py/test_roles_decorator_overrides_env_roles