new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.9.5 on 2016-04-17 22:28
  from __future__ import unicode_literals
  
  import django.core.validators
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('accounts', '0005_emailconfirmationtoken'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='user',
              name='username',
              field=models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 30 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=30, unique=True, validators=[django.core.validators.RegexValidator('^[\\w.@+-]+$', 'Enter a valid username. This value may contain only letters, numbers and @/./+/-/_ characters.')], verbose_name='username'),
          ),
      ]
  
subject: Add account migration