new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.11.3 on 2018-04-24 23:20
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  import django.utils.timezone
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('course', '0009_color_theme'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='post',
              name='post_datetime',
              field=models.DateTimeField(default=django.utils.timezone.now),
          ),
      ]
  
subject: Add missing migration