  from django.utils.encoding import python_2_unicode_compatible
  from django.utils.translation import ugettext_lazy as _
  
  
  @python_2_unicode_compatible
  class Site(models.Model):
      domain = models.CharField(max_length=100)
  
      def __str__(self):
          return self.domain
 
</s> remove from django.utils.encoding import python_2_unicode_compatible
 </s> add  </s> remove @python_2_unicode_compatible
 </s> add  </s> remove @python_2_unicode_compatible
 </s> add  </s> remove from django.utils.encoding import python_2_unicode_compatible
 </s> add  </s> remove @python_2_unicode_compatible
 </s> add 
  from django.utils.encoding import python_2_unicode_compatible
  from django.utils.translation import ugettext_lazy as _
  
  

  class Site(models.Model):
      domain = models.CharField(max_length=100)
  
      def __str__(self):
          return self.domain
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/admin_utils/models.py