      a_list = models.ManyToManyField(A, through=Through)
  
  
  # Using to_field on the through model
  @python_2_unicode_compatible
  class Car(models.Model):
      make = models.CharField(max_length=20, unique=True, null=True)
      drivers = models.ManyToManyField('Driver', through='CarDriver')
  
      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 
      a_list = models.ManyToManyField(A, through=Through)
  
  
  # Using to_field on the through model

  class Car(models.Model):
      make = models.CharField(max_length=20, unique=True, null=True)
      drivers = models.ManyToManyField('Driver', through='CarDriver')
  
      def __str__(self):
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/m2m_through_regress/models.py