      def __str__(self):
          return self.title
  
  
  @python_2_unicode_compatible
  class Actor(models.Model):
      name = models.CharField(max_length=50)
      age = models.IntegerField()
      title = models.CharField(max_length=50, null=True, blank=True)
  
 
</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 
      def __str__(self):
          return self.title
  
  

  class Actor(models.Model):
      name = models.CharField(max_length=50)
      age = models.IntegerField()
      title = models.CharField(max_length=50, null=True, blank=True)
  
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/admin_views/models.py