new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('flows', '0029_populate_run_modified_on'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='flowrun',
              name='modified_on',
              field=models.DateTimeField(help_text='When this flow run was last updated', auto_now=True),
              preserve_default=True,
          ),
          migrations.AlterField(
              model_name='flowrun',
              name='org',
              field=models.ForeignKey(related_name='runs', to='orgs.Org', db_index=False),
              preserve_default=True,
          ),
      ]
  
subject: Make modified_on and org no longer be nullable