# -*- coding: utf-8 -*- # Generated by Django 1.11.8 on 2018-08-22 19:08 from __future__ import unicode_literals from django.db import migrations def migrate_relations(apps, schema_editor): Content = apps.get_model("content", "Content") for c in Content.objects.all(): for r in c.parents.all(): c.related_content.add(r) class Migration(migrations.Migration): dependencies = [ ('content', '0012_content_related_content'), ] operations = [ migrations.RunPython(migrate_relations), ]