      GenericForeignKey, GenericRelation,
  )
  from django.contrib.contenttypes.models import ContentType
  from django.db import models
  from django.utils.encoding import python_2_unicode_compatible
  
  
  # Who remembers high school biology?
  
  
 
</s> remove @python_2_unicode_compatible
 </s> add  </s> remove from django.utils.encoding import python_2_unicode_compatible
 </s> add  </s> remove from django.utils.encoding import python_2_unicode_compatible
 </s> add  </s> remove from django.utils.encoding import python_2_unicode_compatible
 </s> add  </s> remove from django.utils.encoding import python_2_unicode_compatible
 </s> add 
      GenericForeignKey, GenericRelation,
  )
  from django.contrib.contenttypes.models import ContentType
  from django.db import models

  
  
  # Who remembers high school biology?
  
  
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/select_related/models.py