new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('hs_app_netCDF', '0006_auto_20170120_1445'),
      ]
  
      operations = [
          migrations.AddField(
              model_name='netcdfmetadata',
              name='is_dirty',
              field=models.BooleanField(default=False),
          ),
      ]
  
subject: add the model migration file for netcdf resource