new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('channels', '0004_auto_20150210_1247'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='channel',
              name='channel_type',
              field=models.CharField(default='A', help_text='Type of this channel, whether Android, Twilio or SMSC', max_length=3, verbose_name='Channel Type', choices=[('A', 'Android'), ('T', 'Twilio'), ('AT', "Africa's Talking"), ('ZV', 'Zenvia'), ('NX', 'Nexmo'), ('IB', 'Infobip'), ('VB', 'Verboice'), ('H9', 'Hub9'), ('VM', 'Vumi'), ('KN', 'Kannel'), ('EX', 'External'), ('TT', 'Twitter'), ('CT', 'Clickatell'), ('PL', 'Plivo'), ('SQ', 'Shaqodoon')]),
              preserve_default=True,
          ),
      ]
  
subject: add channel type migration