def with_model(self, model):
		return model._default_manager.filter(pk__in=self.filter(member_content_type=ContentType.objects.get_for_model(model)).values_list('member_object_id', flat=True))
Given a model class or instance, returns a queryset of all instances of that model which have collection members in this manager's scope.
dataset/ETHPy150Open ithinksw/philo/philo/models/collections.py/CollectionMemberManager.with_model