new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  import django.utils.timezone
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('course', '0004_auto_20160409_2159'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='course',
              name='end_time',
              field=models.DateField(default=django.utils.timezone.now),
          ),
          migrations.AlterField(
              model_name='course',
              name='start_time',
              field=models.DateField(default=django.utils.timezone.now),
          ),
      ]
  
subject: Add migration mentioned in last commit...