old_contents: from django.db import models
  from django.utils.encoding import smart_unicode
  
  countrycode = models.ForeignKey('CountryCode')
  name = models.CharField(max_length=100, null=False, blanck=True)
  Latitude = models.DecimalField(max_digits=19, decimal_places=10, null=False)
  longitude = models.DecimalField(max_digits=19, decimal_places=10, null=False)
  isActive = models.BooleanField()
  
  
new_contents: from django.db import models
  from django.utils.encoding import smart_unicode
  
  class PriorityArea(models.Model):
      countrycode = models.ForeignKey('CountryCode')
      name = models.CharField(max_length=100, null=False, blanck=True)
      Latitude = models.DecimalField(max_digits=19, decimal_places=10, null=False)
      longitude = models.DecimalField(max_digits=19, decimal_places=10, null=False)
      isActive = models.BooleanField()
  
  
subject: modify model