new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.10.7 on 2017-06-06 18:33
  from __future__ import unicode_literals
  
  import django.core.validators
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('ci', '0007_auto_20170517_1736'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='testjob',
              name='environment',
              field=models.CharField(max_length=100, validators=[django.core.validators.RegexValidator(regex='^[a-zA-Z0-9][a-zA-Z0-9_.-]*')]),
          ),
      ]
  
subject: add missing migration after slug_validation change in core