old_contents: # encoding: utf-8
  import datetime
  from south.db import db
  from south.v2 import SchemaMigration
  from django.db import models
  
  class Migration(SchemaMigration):
  
      def forwards(self, orm):
  
          # Adding model 'Section'
          db.create_table('tt_sections_section', (
              ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
              ('title', self.gf('django.db.models.fields.CharField')(max_length=255)),
              ('summary', self.gf('django.db.models.fields.TextField')(default='', blank=True)),
              ('slug', self.gf('django.db.models.fields.SlugField')(max_length=50, db_index=True)),
              ('full_slug', self.gf('django.db.models.fields.CharField')(max_length=255, blank=True)),
              ('parent', self.gf('mptt.fields.TreeForeignKey')(to=orm['tt_sections.Section'], null=True, blank=True)),
              ('lft', self.gf('django.db.models.fields.PositiveIntegerField')(db_index=True)),
              ('rght', self.gf('django.db.models.fields.PositiveIntegerField')(db_index=True)),
              ('tree_id', self.gf('django.db.models.fields.PositiveIntegerField')(db_index=True)),
              ('level', self.gf('django.db.models.fields.PositiveIntegerField')(db_index=True)),
          ))
          db.send_create_signal('tt_sections', ['Section'])
  
  
      def backwards(self, orm):
  
          # Deleting model 'Section'
          db.delete_table('tt_sections_section')
  
  
      models = {
          'tt_sections.section': {
              'Meta': {'object_name': 'Section'},
              'full_slug': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}),
              'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
              'level': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
              'lft': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
              'parent': ('mptt.fields.TreeForeignKey', [], {'to': "orm['tt_sections.Section']", 'null': 'True', 'blank': 'True'}),
              'rght': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
              'slug': ('django.db.models.fields.SlugField', [], {'max_length': '50', 'db_index': 'True'}),
              'summary': ('django.db.models.fields.TextField', [], {'default': "''", 'blank': 'True'}),
              'title': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
              'tree_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'})
          }
      }
  
      complete_apps = ['tt_sections']
  
new_contents: # -*- coding: utf-8 -*-
  # Generated by Django 1.9.12 on 2017-01-22 00:50
  from __future__ import unicode_literals
  
  from django.db import migrations, models
  import django.db.models.deletion
  import mptt.fields
  
  
  class Migration(migrations.Migration):
  
      initial = True
  
      dependencies = [
      ]
  
      operations = [
          migrations.CreateModel(
              name='Section',
              fields=[
                  ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                  ('title', models.CharField(max_length=255)),
                  ('summary', models.TextField(blank=True, default=b'')),
                  ('slug', models.SlugField()),
                  ('full_slug', models.CharField(blank=True, max_length=255)),
                  ('lft', models.PositiveIntegerField(db_index=True, editable=False)),
                  ('rght', models.PositiveIntegerField(db_index=True, editable=False)),
                  ('tree_id', models.PositiveIntegerField(db_index=True, editable=False)),
                  ('level', models.PositiveIntegerField(db_index=True, editable=False)),
                  ('parent', mptt.fields.TreeForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='tt_sections.Section')),
              ],
              options={
                  'abstract': False,
              },
          ),
      ]
  
subject: Remove south from migrations