  
  DoesNotExistBookManager = BaseManager.from_queryset(DoesNotExistQuerySet)
  
  
  @python_2_unicode_compatible
  class Book(models.Model):
      name = models.CharField(max_length=300)
      slug = models.SlugField()
      pages = models.IntegerField()
      authors = models.ManyToManyField(Author)
 
</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 
  
  DoesNotExistBookManager = BaseManager.from_queryset(DoesNotExistQuerySet)
  
  

  class Book(models.Model):
      name = models.CharField(max_length=300)
      slug = models.SlugField()
      pages = models.IntegerField()
      authors = models.ManyToManyField(Author)
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/generic_views/models.py