old_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.10.4 on 2017-02-19 11:14
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  import django.db.models.deletion
  import django_extensions.db.fields
  import modelcluster.fields
  import wagtail.wagtailcore.fields
  
  
  class Migration(migrations.Migration):
  
      initial = True
  
      dependencies = [
          ('longclawproducts', '0002_auto_20170219_0804'),
      ]
  
      operations = [
          migrations.CreateModel(
              name='ProductVariant',
              fields=[
                  ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                  ('price', models.DecimalField(decimal_places=2, max_digits=12)),
                  ('ref', models.CharField(max_length=32)),
                  ('slug', django_extensions.db.fields.AutoSlugField(blank=True, editable=False, populate_from=('product', 'ref'), separator='')),
                  ('description', wagtail.wagtailcore.fields.RichTextField()),
                  ('stock', models.IntegerField(default=0)),
                  ('product', modelcluster.fields.ParentalKey(on_delete=django.db.models.deletion.CASCADE, related_name='variants', to='longclawproducts.Product')),
              ],
              options={
                  'abstract': False,
              },
          ),
      ]
  
new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.10.4 on 2017-02-19 11:14
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  import django.db.models.deletion
  import django_extensions.db.fields
  import modelcluster.fields
  import wagtail.wagtailcore.fields
  
  
  class Migration(migrations.Migration):
  
      initial = True
  
      dependencies = [
          ('longclawproducts', '0002_auto_20170219_0804'),
      ]
  
      operations = [
          migrations.CreateModel(
              name='ProductVariant',
              fields=[
                  ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                  ('price', models.DecimalField(decimal_places=2, max_digits=12)),
                  ('ref', models.CharField(max_length=32)),
                  ('slug', django_extensions.db.fields.AutoSlugField(blank=True, editable=False, populate_from=('product', 'ref'), separator='')),
                  ('description', wagtail.wagtailcore.fields.RichTextField()),
                  ('stock', models.IntegerField(default=0)),
                  ('product', modelcluster.fields.ParentalKey(on_delete=django.db.models.deletion.CASCADE, related_name='variants', to='products.Product')),
              ],
              options={
                  'abstract': False,
              },
          ),
      ]
  
subject: Correct migration in project template