new_contents: # Generated by Django 2.2.14 on 2020-08-25 08:00
  
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('core', '0008_board_private'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='pin',
              name='referer',
              field=models.CharField(blank=True, max_length=512, null=True),
          ),
          migrations.AlterField(
              model_name='pin',
              name='url',
              field=models.CharField(blank=True, max_length=512, null=True),
          ),
      ]
  
subject: Add migrations for url and referer length