new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.11.20 on 2019-02-22 13:58
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('core', '0002_pin_referer'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='pin',
              name='origin',
              field=models.URLField(blank=True, null=True),
          ),
          migrations.AlterField(
              model_name='pin',
              name='referer',
              field=models.URLField(blank=True, null=True),
          ),
          migrations.AlterField(
              model_name='pin',
              name='url',
              field=models.URLField(blank=True, null=True),
          ),
      ]
  
subject: Add migrations for Pin