# -*- coding: utf-8 -*- from __future__ import unicode_literals from django.db import models, migrations def forwards(apps, schema_editor): Release = apps.get_model('releng', 'Release') Release.objects.update(last_modified=models.F('created')) def backwards(apps, schema_editor): pass class Migration(migrations.Migration): dependencies = [ ('releng', '0002_release_last_modified'), ] operations = [ migrations.RunPython(forwards, backwards) ]