new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('stormwater', '0009_drainage_area_imperial_units'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='bioswale',
              name='drainage_area',
              field=models.FloatField(blank=True, null=True, verbose_name='Adjacent Drainage Area', error_messages={'invalid': 'Please enter a number.'}),
          ),
          migrations.AlterField(
              model_name='raingarden',
              name='drainage_area',
              field=models.FloatField(blank=True, null=True, verbose_name='Adjacent Drainage Area', error_messages={'invalid': 'Please enter a number.'}),
          ),
      ]
  
subject: Add missing stormwater migration