      def __str__(self):
          return "%s (%s to %s)" % (self.midpoint, self.start, self.end)
  
  
  @python_2_unicode_compatible
  class UUID(models.Model):
      uuid = models.UUIDField(null=True)
  
      def __str__(self):
          return "%s" % self.uuid
 
</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 "%s (%s to %s)" % (self.midpoint, self.start, self.end)
  
  

  class UUID(models.Model):
      uuid = models.UUIDField(null=True)
  
      def __str__(self):
          return "%s" % self.uuid
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/expressions/models.py