new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
      ]
  
      operations = [
          migrations.CreateModel(
              name='OpLog',
              fields=[
                  ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                  ('user', models.CharField(max_length=64)),
                  ('op', models.CharField(max_length=16)),
                  ('app', models.CharField(max_length=32)),
                  ('app_version', models.CharField(max_length=128)),
                  ('time', models.DateTimeField()),
                  ('message', models.CharField(max_length=512)),
              ],
          ),
      ]
  
subject: add migration