from django_celery_beat.models import PeriodicTask, IntervalSchedule

def setup_cron():
    schedule, created = IntervalSchedule.objects.get_or_create(
        every=5,
        period=IntervalSchedule.SECONDS,
    )

    PeriodicTask.objects.get_or_create(
        interval=schedule,
        name='Expephacron',
        task='cron',
    )