old_contents: from __future__ import unicode_literals
  
  from django.db import models
  
  # Create your models here.
  
  
  class LocationModel(models.Model):
  
      address = models.CharField(blank=False, null=False, max_length=255)
      longitude = models.CharField(max_length=15)
      latitude = models.CharField(max_length=15)
      place_id = models.CharField(max_length=255)
      created_on = models.DateTimeField(auto_now_add=True)
  
      class Meta:
          verbose_name = "location"
          verbose_name_plural = "locations"
          unique_together = (('longitude', 'latitude'),)
  
      def __str__(self):
          return "{0}:{1}".format(self.pk, self.name)
  
      def ___unicode__(self):
          return "{0}:{1}".format(self.pk, self.name)
  
new_contents: from __future__ import unicode_literals
  
  # Create your models here.
  
subject: update api model