new_contents: # Generated by Django 2.1.5 on 2019-03-06 23:59
  
  import ckeditor_uploader.fields
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('events', '0009_auto_20190306_1506'),
      ]
  
      operations = [
          migrations.AlterField(
              model_name='event',
              name='end',
              field=models.DateTimeField(blank=True, null=True),
          ),
          migrations.AlterField(
              model_name='event',
              name='start',
              field=models.DateTimeField(blank=True, null=True),
          ),
          migrations.AlterField(
              model_name='session',
              name='description',
              field=ckeditor_uploader.fields.RichTextUploadingField(blank=True),
          ),
      ]
  
subject: Add migration file