new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.conf import settings
  from django.db import migrations, models
  import django.db.models.deletion
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('security', '0001_initial'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='passwordexpiry',
              name='user',
              field=models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
          ),
      ]
  
subject: Add password expiry user migration