      objects = models.Manager()
  
  
  # RelatedManagers
  @python_2_unicode_compatible
  class RelatedModel(models.Model):
      test_gfk = GenericRelation('RelationModel', content_type_field='gfk_ctype', object_id_field='gfk_id')
      exact = models.NullBooleanField()
  
      def __str__(self):
 
</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 
      objects = models.Manager()
  
  
  # RelatedManagers

  class RelatedModel(models.Model):
      test_gfk = GenericRelation('RelationModel', content_type_field='gfk_ctype', object_id_field='gfk_id')
      exact = models.NullBooleanField()
  
      def __str__(self):
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/managers_regress/models.py