      inviter = models.ForeignKey(Person, models.CASCADE, related_name='invitations_sent')
      invitee = models.ForeignKey(Person, models.CASCADE, related_name='invitations')
  
  
  @python_2_unicode_compatible
  class Employee(models.Model):
      name = models.CharField(max_length=5)
      subordinates = models.ManyToManyField(
          'self',
          through="Relationship",
 
</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 
      inviter = models.ForeignKey(Person, models.CASCADE, related_name='invitations_sent')
      invitee = models.ForeignKey(Person, models.CASCADE, related_name='invitations')
  
  

  class Employee(models.Model):
      name = models.CharField(max_length=5)
      subordinates = models.ManyToManyField(
          'self',
          through="Relationship",
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/m2m_through/models.py