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# -*- coding: utf-8 -*- from __future__ import unicode_literals from django.db import migrations def fix_creation_date(apps, schema_editor): Subscription = apps.get_model("subscribe", "Subscription") Order = apps.get_model("subscribe", "Order") for subscription in Subscription.objects.all(): order = Order.objects.get(invoice_reference=subscription.invoice_reference) order.creation_date = subscription.creation_date order.save() class Migration(migrations.Migration): dependencies = [ ('subscribe', '0022_auto_20160919_0013'), ] operations = [ migrations.RunPython(fix_creation_date), ]