def get_group_permissions(self, user_obj, obj=None):
        return self._get_permissions(user_obj, obj, 'group')
creates a data unit object and initially imports data specified in data_unit_description
dataset/ETHPy150Open django/django/django/contrib/auth/backends.py/ModelBackend.get_group_permissions--crossover with--dataset/ETHPy150Open saga-project/BigJob/pilot/impl/pilotdata_manager.py/PilotData.submit_data_unit