new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('services', '0019_fix_production_site_domain'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='service',
              name='update_of',
              field=models.ForeignKey(help_text='If a service record represents a modification of an existing service record that is still pending approval, this field links to the existing service record.', related_name='pending_update', blank=True, to='services.Service', null=True),
              preserve_default=True,
          ),
      ]
  
subject: Add missing migration