new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  import django.db.models.deletion
  from django.conf import settings
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('wagtailcore', '0009_remove_auto_now_add_from_pagerevision_created_at'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='page',
              name='owner',
              field=models.ForeignKey(related_name=b'owned_pages', on_delete=django.db.models.deletion.SET_NULL, blank=True, editable=False, to=settings.AUTH_USER_MODEL, null=True),
          ),
      ]
  
subject: add Django 1.7 migration for #718