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10 changes: 4 additions & 6 deletions django_celery_beat/models.py
Original file line number Diff line number Diff line change
Expand Up @@ -184,12 +184,10 @@ def schedule(self):
@classmethod
def from_schedule(cls, schedule, period=SECONDS):
every = max(schedule.run_every.total_seconds(), 0)
try:
return cls.objects.get(every=every, period=period)
except cls.DoesNotExist:
return cls(every=every, period=period)
except MultipleObjectsReturned:
return cls.objects.filter(every=every, period=period).first()
return (
cls.objects.filter(every=every, period=period).first()
or cls(every=every, period=period)
)

def __str__(self):
readable_period = None
Expand Down