new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.9.8 on 2016-10-07 16:10
  from __future__ import unicode_literals
  
  from django.conf import settings
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('timetables', '0012_vendor'),
      ]
  
      operations = [
          migrations.RenameModel(
              old_name='Admin',
              new_name='TimetableManagement',
          ),
          migrations.AlterField(
              model_name='timetable',
              name='admins',
              field=models.ManyToManyField(through='timetables.TimetableManagement', to=settings.AUTH_USER_MODEL),
          ),
      ]
  
subject: Add migration file