new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.11.8 on 2017-12-03 06:35
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('api', '0015_message_is_merged'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='project',
              name='prefix_tags',
              field=models.CharField(blank=True, help_text='Whitespace separated tags that\n                                   are required to be present messages\' prefix.\n                                   Tags led by \'/\' are treated with python regex match.\n                                   Tags led by "!" mean these mustn\'t exist.\n                                   ', max_length=1024),
          ),
      ]
  
subject: add new migration