old_contents: from django.db import models
  
  class Facility(models.Model):
      name = models.CharField(max_length=30)
  
      def __unicode__(self):
          return self.name
  
  class Address(models.Model):
      street = models.CharField(max_length=200)
      town = models.CharField(max_length=30)
      postcode = models.CharField(max_length=10)
      country = models.CharField(max_length=30, blank=True)
  
  class Venue(models.Model):
      name = models.CharField(max_length=30)
      website = models.CharField(max_length=50)
      address = models.ForeignKey(Address)
      facilities = models.ManyToManyField(Facility)
  
      def __unicode__(self):
          return self.name
  
new_contents: from django.db import models
  
  class Facility(models.Model):
      name = models.CharField(max_length=30)
  
      def __unicode__(self):
          return self.name
  
  class Address(models.Model):
      street = models.CharField(max_length=200)
      town = models.CharField(max_length=30)
      postcode = models.CharField(max_length=10)
      country = models.CharField(max_length=30, blank=True)
  
  class Venue(models.Model):
      name = models.CharField(max_length=30)
      website = models.CharField(max_length=50)
      address = models.ForeignKey(Address)
      facilities = models.ManyToManyField(Facility)
      style = models.CharField(max_length=200, blank=True)
      twitter = models.CharField(max_length=200, blank=True)
      phone = models.CharField(max_length=30, blank=True)
      contact = models.CharField(max_length=50, blank=True)
      contact_email = models.CharField(max_length=50, blank=True)
      contact_twitter = models.CharField(max_length=200, blank=True)
      cost = models.CharField(max_length=200, blank=True)
      capacity = models.CharField(max_length=200, blank=True)
  
      def __unicode__(self):
          return self.name
  
subject: Add migration for new fields in Venue