  
  
  class Inner4Tabular(models.Model):
      dummy = models.IntegerField(help_text="Awesome tabular help text is awesome.")
      holder = models.ForeignKey(Holder4)
  
  # Models for #12749
  
  
  class Person(models.Model):
 
</s> remove     holder = models.ForeignKey(Holder4)
 </s> add     holder = models.ForeignKey(Holder4, models.CASCADE) </s> remove     holder = models.ForeignKey(Holder3)
 </s> add     holder = models.ForeignKey(Holder3, models.CASCADE) </s> remove     holder = models.ForeignKey(Holder2)
 </s> add     holder = models.ForeignKey(Holder2, models.CASCADE) </s> remove     capo_famiglia = models.ForeignKey(CapoFamiglia)
 </s> add     capo_famiglia = models.ForeignKey(CapoFamiglia, models.CASCADE) </s> remove     parent = models.ForeignKey('self', null=True, blank=True)
 </s> add     parent = models.ForeignKey('self', models.SET_NULL, null=True, blank=True)
    holder = models.ForeignKey(Holder4, models.CASCADE)
  
  
  class Inner4Tabular(models.Model):
      dummy = models.IntegerField(help_text="Awesome tabular help text is awesome.")
    holder = models.ForeignKey(Holder4, models.CASCADE)
  
  # Models for #12749
  
  
  class Person(models.Model):
keep keep keep keep replace keep keep keep keep keep
 Fixed #21127 -- Started deprecation toward requiring on_delete for ForeignKey/OneToOneField 
tests/admin_inlines/models.py