new_contents: # Generated by Django 2.0.9 on 2018-10-26 10:41
  
  from django.db import migrations, models
  import django.utils.timezone
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('notifications', '0006_indexes'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='notification',
              name='timestamp',
              field=models.DateTimeField(db_index=True, default=django.utils.timezone.now),
          ),
      ]
  
subject: add generated migration