new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  from django.conf import settings
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('app', '0003_auto_20150730_1444'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='userprofile',
              name='user',
              field=models.OneToOneField(related_name='profile_old', primary_key=True, serialize=False, to=settings.AUTH_USER_MODEL),
          ),
      ]
  
subject: add migration for related name