new_contents: # Generated by Django 2.2.7 on 2020-04-16 05:47
  
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('action_notifications', '0005_actionnotification_do_not_send_before'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='actionnotificationpreference',
              name='email_notification_frequency',
              field=models.CharField(choices=[('* * * * *', 'Immediately'), ('*/30 * * * *', 'Every 30 minutes'), ('@daily', 'Daily')], default='@daily', max_length=64),
          ),
          migrations.AlterField(
              model_name='actionnotificationpreference',
              name='use_user_preference',
              field=models.BooleanField(default=False, help_text='Setting this true will cause frequency and is_email_separately to be ignored'),
          ),
      ]
  
subject: add in missing migration