def get_items(self):
        raise NotImplementedError
Creates migration flow for object ``obj`` based on configuration ``config``
dataset/ETHPy150Open fcurella/django-recommends/recommends/providers/__init__.py/RecommendationProvider.get_items--crossover with--dataset/ETHPy150Open MirantisWorkloadMobility/CloudFerry/cloudferry/lib/os/migrate/base.py/create_migration_flow