      data = models.CharField(max_length=100)
  
  
  class Profile(models.Model):
      person = models.ForeignKey(Person, primary_key=True)
  
  
  class Tag(models.Model):
      text = models.CharField(max_length=255, unique=True)
  
 
</s> remove     person = models.OneToOneField(Person, primary_key=True)
 </s> add     person = models.OneToOneField(Person, models.CASCADE, primary_key=True) </s> remove     parent = models.ForeignKey(UUIDPKParent)
 </s> add     parent = models.ForeignKey(UUIDPKParent, models.CASCADE) </s> remove     person = models.OneToOneField(Member, primary_key=True)
    parent = models.ForeignKey(Member, related_name="children")
 </s> add     person = models.OneToOneField(Member, models.CASCADE, primary_key=True)
    parent = models.ForeignKey(Member, models.CASCADE, related_name="children") </s> remove     people_pk = models.ForeignKey(People, primary_key=True)
 </s> add     people_pk = models.ForeignKey(People, models.CASCADE, primary_key=True) </s> remove     parent = models.ForeignKey(UUIDPKParent)
 </s> add     parent = models.ForeignKey(UUIDPKParent, models.CASCADE)
    person = models.ForeignKey(Person, models.CASCADE, primary_key=True)
      data = models.CharField(max_length=100)
  
  
  class Profile(models.Model):
    person = models.ForeignKey(Person, models.CASCADE, primary_key=True)
  
  
  class Tag(models.Model):
      text = models.CharField(max_length=255, unique=True)
  
keep keep keep keep replace keep keep keep keep keep
 Fixed #21127 -- Started deprecation toward requiring on_delete for ForeignKey/OneToOneField 
tests/get_or_create/models.py