# Generated by Django 3.1.1 on 2020-12-14 11:24 from django.db import migrations def update_collection_uid(apps, schema_editor): Collection = apps.get_model("django_etebase", "Collection") for collection in Collection.objects.all(): collection.uid = collection.main_item.uid collection.save() class Migration(migrations.Migration): dependencies = [ ("django_etebase", "0033_collection_uid"), ] operations = [ migrations.RunPython(update_collection_uid), ]