      def get_absolute_url(self):
          return '/authors/%s/' % self.id
  
  
  @python_2_unicode_compatible
  class Article(models.Model):
      title = models.CharField(max_length=100)
      slug = models.SlugField()
      author = models.ForeignKey(Author, models.CASCADE)
      date_created = models.DateTimeField()
 
</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 get_absolute_url(self):
          return '/authors/%s/' % self.id
  
  

  class Article(models.Model):
      title = models.CharField(max_length=100)
      slug = models.SlugField()
      author = models.ForeignKey(Author, models.CASCADE)
      date_created = models.DateTimeField()
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/contenttypes_tests/models.py