      class Meta:
          proxy = True
  
  
  @python_2_unicode_compatible
  class SecretHideout(models.Model):
      """ Secret! Not registered with the admin! """
      location = models.CharField(max_length=100)
      villain = models.ForeignKey(Villain, models.CASCADE)
  
 
</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 Meta:
          proxy = True
  
  

  class SecretHideout(models.Model):
      """ Secret! Not registered with the admin! """
      location = models.CharField(max_length=100)
      villain = models.ForeignKey(Villain, models.CASCADE)
  
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/admin_views/models.py