new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.11.15 on 2018-09-21 18:44
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  import django.db.models.deletion
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('api_v2', '0012_credential_inactive'),
      ]
  
      operations = [
          migrations.CreateModel(
              name='Attribute',
              fields=[
                  ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                  ('create_timestamp', models.DateTimeField(auto_now_add=True, null=True)),
                  ('update_timestamp', models.DateTimeField(auto_now=True, null=True)),
                  ('type', models.TextField()),
                  ('format', models.TextField(null=True)),
                  ('value', models.TextField(null=True)),
                  ('credential', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='attributes', to='api_v2.Credential')),
              ],
              options={
                  'db_table': 'attribute',
              },
          ),
          migrations.RemoveField(
              model_name='contact',
              name='credential',
          ),
          migrations.RemoveField(
              model_name='person',
              name='credential',
          ),
          migrations.DeleteModel(
              name='Contact',
          ),
          migrations.DeleteModel(
              name='Person',
          ),
          migrations.AlterUniqueTogether(
              name='attribute',
              unique_together=set([('credential', 'type')]),
          ),
      ]
  
subject: update DB migration