      def __str__(self):
          return self.headline
  
  
  @python_2_unicode_compatible
  class AuthorProfile(models.Model):
      author = models.OneToOneField(Author, models.CASCADE, primary_key=True)
      date_of_birth = models.DateField()
  
      def __str__(self):
 
</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.headline
  
  

  class AuthorProfile(models.Model):
      author = models.OneToOneField(Author, models.CASCADE, primary_key=True)
      date_of_birth = models.DateField()
  
      def __str__(self):
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/serializers/models/base.py