      def __str__(self):
          return force_text(self.pk)
  
  
  @python_2_unicode_compatible
  class RelationModel(models.Model):
      fk = models.ForeignKey(RelatedModel, models.CASCADE, related_name='test_fk')
  
      m2m = models.ManyToManyField(RelatedModel, related_name='test_m2m')
  
 
</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 
      def __str__(self):
          return force_text(self.pk)
  
  

  class RelationModel(models.Model):
      fk = models.ForeignKey(RelatedModel, models.CASCADE, related_name='test_fk')
  
      m2m = models.ManyToManyField(RelatedModel, related_name='test_m2m')
  
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/managers_regress/models.py