old_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.10 on 2016-08-22 23:41
  from __future__ import unicode_literals
  
  from django.db import migrations
  
  def add_billing_address(apps, schema_editor):
      ''' Data migration add billing_address in Bill from user billing_address 
      field
      '''
      Bill = apps.get_model('billjobs', 'Bill')
      for bill in Bill.objects.all():
          bill.billing_address = bill.user.billing_address
          bill.save()
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('billjobs', '0002_service_is_available_squashed_0005_bill_issuer_address_default'),
      ]
  
      operations = [
          migrations.RunPython(add_billing_address),
      ]
  
new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.10 on 2016-08-22 23:41
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  
  def add_billing_address(apps, schema_editor):
      ''' Data migration add billing_address in Bill from user billing_address 
      field
      '''
      Bill = apps.get_model('billjobs', 'Bill')
      for bill in Bill.objects.all():
          bill.billing_address = bill.user.userprofile.billing_address
          bill.save()
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('billjobs', '0002_service_is_available_squashed_0005_bill_issuer_address_default'),
      ]
  
      operations = [
          migrations.AddField(
              model_name='bill',
              name='billing_address',
              field=models.CharField(max_length=1024),
          ),
          migrations.RunPython(add_billing_address),
      ]
  
subject: Add billing_address and migrate data