new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.10.2 on 2016-11-05 12:58
  from __future__ import unicode_literals
  
  from django.db import migrations
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('stein', '0017_migrate_classification_data'),
      ]
  
      operations = [
          migrations.RemoveField(
              model_name='mineraltype',
              name='classification1',
          ),
      ]
  
subject: Add missing migration