Refs #23919 -- Removed python_2_unicode_compatible decorator usage

tests/basic/models.py

@@ -4,10 +4,8 @@ Bare-bones model
 This is a basic model with only two non-primary-key fields.
 """
 from django.db import models
-from django.utils.encoding import python_2_unicode_compatible
 
 
-@python_2_unicode_compatible
 class Article(models.Model):
     headline = models.CharField(max_length=100, default='Default headline')
     pub_date = models.DateTimeField()
@@ -25,7 +23,6 @@ class ArticleSelectOnSave(Article):
         select_on_save = True
 
 
-@python_2_unicode_compatible
 class SelfRef(models.Model):
     selfref = models.ForeignKey(
         'self',