text: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  from south.utils import datetime_utils as datetime
  from south.db import db
  from south.v2 import SchemaMigration
  from django.db import models
  
  
  class Migration(SchemaMigration):
  
      def forwards(self, orm):
  
          # Changing field 'Device.reg_id'
          db.alter_column(u'gcm_device', 'reg_id', self.gf('django.db.models.fields.CharField')(unique=True, max_length=255))
  
      def backwards(self, orm):
          pass
  
      models = {
          u'gcm.device': {
              'Meta': {'ordering': "['-modified_date']", 'object_name': 'Device'},
              'creation_date': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
              'dev_id': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '50'}),
              u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
              'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
              'modified_date': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
              'name': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
              'reg_id': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'})
          }
      }
  
      complete_apps = ['gcm']