@classmethod
    def get_or_create_revision(cls, revision=None):
        if revision is None:
            revision = str(uuid.uuid4())
        obj, created = cls.objects.get_or_create(
            pk=1, defaults=dict(revision=revision))
        return obj.revision, created
Returns the rq failed Queue using parameters defined in ``RQ_QUEUES``
dataset/ETHPy150Open divio/django-cms/cms/models/apphooks_reload.py/UrlconfRevision.get_or_create_revision--crossover with--dataset/ETHPy150Open ui/django-rq/django_rq/queues.py/get_failed_queue