old_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.10.1 on 2016-10-03 19:11
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  import django.db.models.deletion
  import django.utils.timezone
  import passwordless.models
  
  
  class Migration(migrations.Migration):
  
      initial = True
  
      dependencies = [
      ]
  
      operations = [
          migrations.CreateModel(
              name='AuthToken',
              fields=[
                  ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                  ('token', models.CharField(default=passwordless.models.make_token, max_length=40, unique=True)),
                  ('session_key', models.CharField(default=passwordless.models.make_token, max_length=40)),
                  ('date_sent', models.DateTimeField(default=django.utils.timezone.now)),
                  ('date_expires', models.DateTimeField(default=passwordless.models.expiration_date)),
              ],
          ),
          migrations.CreateModel(
              name='User',
              fields=[
                  ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                  ('username', models.CharField(max_length=30, unique=True)),
                  ('email', models.EmailField(max_length=254, null=True)),
                  ('is_active', models.BooleanField(default=False)),
                  ('is_superuser', models.BooleanField(default=False)),
                  ('date_joined', models.DateTimeField(auto_now_add=True)),
                  ('last_login', models.DateTimeField(null=True)),
              ],
          ),
          migrations.AddField(
              model_name='authtoken',
              name='user',
              field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='passwordless.User'),
          ),
      ]
  
new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.10.1 on 2016-10-03 19:11
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  import django.db.models.deletion
  import django.utils.timezone
  import passwordless.models
  
  
  class Migration(migrations.Migration):
  
      initial = True
  
      dependencies = [
      ]
  
      operations = [
          migrations.CreateModel(
              name='AuthToken',
              fields=[
                  ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                  ('token', models.CharField(default=passwordless.utils.make_token, max_length=40, unique=True)),
                  ('session_key', models.CharField(default=passwordless.utils.make_token, max_length=40)),
                  ('date_sent', models.DateTimeField(default=django.utils.timezone.now)),
                  ('date_expires', models.DateTimeField(default=passwordless.utils.expiration_date)),
              ],
          ),
          migrations.CreateModel(
              name='User',
              fields=[
                  ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                  ('username', models.CharField(max_length=30, unique=True)),
                  ('email', models.EmailField(max_length=254, null=True)),
                  ('is_active', models.BooleanField(default=False)),
                  ('is_superuser', models.BooleanField(default=False)),
                  ('date_joined', models.DateTimeField(auto_now_add=True)),
                  ('last_login', models.DateTimeField(null=True)),
              ],
          ),
          migrations.AddField(
              model_name='authtoken',
              name='user',
              field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='passwordless.User'),
          ),
      ]
  
subject: Update migration for refactored code