old_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  from ..models import ExportFormat
  
  
  class Migration(migrations.Migration):
  
      def promote_pbf_export_format(apps, schema_editor):
          ExportFormat = apps.get_model('jobs', 'ExportFormat')
          ExportFormat.objects.create(name='PBF Format', description='OSM PBF',
                                      slug='PBF')
  
      dependencies = [
          ('jobs', '0003_auto_20151027_1807'),
      ]
  
      operations = [
          migrations.RunPython(promote_pbf_export_format),
      ]
  
new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  from ..models import ExportFormat
  
  
  class Migration(migrations.Migration):
  
      def promote_pbf_export_format(apps, schema_editor):
          ExportFormat = apps.get_model('jobs', 'ExportFormat')
          ExportFormat.objects.create(name='PBF Format', description='OSM PBF',
                                      slug='PBF')
  
      dependencies = [
          ('jobs', '0001_auto_20151003_1441'),
      ]
  
      operations = [
          migrations.RunPython(promote_pbf_export_format),
      ]
  
subject: Correct dependent migration