Python Django Models einzigartige Reihen

class Getdata(models.Model):
    title = models.CharField(max_length=255)
    state = models.CharField(max_length=2, choices=STATE, default="0")
    name = models.ForeignKey(School)
    created_by = models.ForeignKey(profile)
    class Meta:
        unique_together = ["title", "state", "name"]
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