  class Carrot(Vegetable):
      pass
  
  
  @python_2_unicode_compatible
  class Mineral(models.Model):
      name = models.CharField(max_length=150)
      hardness = models.PositiveSmallIntegerField()
  
      # note the lack of an explicit GenericRelation here...
 
</s> remove @python_2_unicode_compatible
 </s> add  </s> remove @python_2_unicode_compatible
 </s> add  </s> remove @python_2_unicode_compatible
 </s> add  </s> remove @python_2_unicode_compatible
 </s> add  </s> remove @python_2_unicode_compatible
 </s> add 
  class Carrot(Vegetable):
      pass
  
  

  class Mineral(models.Model):
      name = models.CharField(max_length=150)
      hardness = models.PositiveSmallIntegerField()
  
      # note the lack of an explicit GenericRelation here...
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/generic_relations/models.py