      length = models.CharField(max_length=100, blank=True)
      author = models.CharField(max_length=100, blank=True)
  
  
  @python_2_unicode_compatible
  class Media(models.Model):
      """
      Media that can associated to any object.
      """
      content_type = models.ForeignKey(ContentType, models.CASCADE)
 
</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 @python_2_unicode_compatible
 </s> add  </s> remove @python_2_unicode_compatible
 </s> add 
      length = models.CharField(max_length=100, blank=True)
      author = models.CharField(max_length=100, blank=True)
  
  

  class Media(models.Model):
      """
      Media that can associated to any object.
      """
      content_type = models.ForeignKey(ContentType, models.CASCADE)
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/generic_inline_admin/models.py