new_contents: # Generated by Django 2.2.6 on 2019-11-07 13:33
  
  from django.db import migrations
  import django_enumfield.db.fields
  import karrot.history.models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('history', '0009_extend_historic_data_more'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='history',
              name='typus',
              field=django_enumfield.db.fields.EnumField(enum=karrot.history.models.HistoryTypus),
          ),
      ]
  
subject: add missing migration