-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
from django.db import migrations, models
+import django.db.models.deletion
class Migration(migrations.Migration):
fields=[
('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
('count', models.IntegerField(default=0)),
- ('book', models.OneToOneField(related_name='popularity', to='catalogue.Book')),
+ ('book', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='popularity', to='catalogue.Book')),
],
),
]