new_contents: # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  from django.db import models, migrations
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('main', '0057_stargazer_role_reference'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='stargazer',
              name='role',
              field=models.ForeignKey(related_name='stars', to='main.Role'),
          ),
      ]
  
subject: Make model field `Stargazer.role` not nullable