text: # -*- coding: utf-8 -*-
  from south.utils import datetime_utils as datetime
  from south.db import db
  from south.v2 import SchemaMigration
  from django.db import models
  
  
  class Migration(SchemaMigration):
  
      def forwards(self, orm):
          # Adding field 'Task.completed_at'
          db.add_column('tasks_task', 'completed_at',
                        self.gf('django.db.models.fields.DateTimeField')(blank=True, null=True),
                        keep_default=False)
  
          # Adding field 'Task.reviewed_by'
          db.add_column('tasks_task', 'reviewed_by',
                        self.gf('django.db.models.fields.related.ForeignKey')(to=orm['auth.User'], blank=True, related_name='reviewed_tasks', null=True),
                        keep_default=False)
  
  
      def backwards(self, orm):
          # Deleting field 'Task.completed_at'
          db.delete_column('tasks_task', 'completed_at')
  
          # Deleting field 'Task.reviewed_by'
          db.delete_column('tasks_task', 'reviewed_by_id')
  
  
      models = {
          'auth.group': {
              'Meta': {'object_name': 'Group'},
              'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
              'name': ('django.db.models.fields.CharField', [], {'max_length': '80', 'unique': 'True'}),
              'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
          },
          'auth.permission': {
              'Meta': {'object_name': 'Permission', 'unique_together': "(('content_type', 'codename'),)", 'ordering': "('content_type__app_label', 'content_type__model', 'codename')"},
              'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
              'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
              'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
              'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
          },
          'auth.user': {
              'Meta': {'object_name': 'User'},
              'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
              'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
              'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
              'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True', 'related_name': "'user_set'"}),
              'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
              'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
              'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
              'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
              'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
              'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
              'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
              'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True', 'related_name': "'user_set'"}),
              'username': ('django.db.models.fields.CharField', [], {'max_length': '30', 'unique': 'True'})
          },
          'contenttypes.contenttype': {
              'Meta': {'db_table': "'django_content_type'", 'unique_together': "(('app_label', 'model'),)", 'ordering': "('name',)", 'object_name': 'ContentType'},
              'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
              'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
              'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
              'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
          },
          'tasks.task': {
              'Meta': {'object_name': 'Task', 'ordering': "['-created']"},
              'assigned_user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'blank': 'True', 'related_name': "'assigned_tasks'", 'null': 'True'}),
              'completed_at': ('django.db.models.fields.DateTimeField', [], {'blank': 'True', 'null': 'True'}),
              'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
              'created_by': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'blank': 'True', 'related_name': "'tasks'", 'null': 'True'}),
              'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
              'due_date': ('django.db.models.fields.DateField', [], {'null': 'True'}),
              'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
              'last_modified': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
              'module': ('django.db.models.fields.CharField', [], {'max_length': '100', 'blank': 'True'}),
              'priority': ('django.db.models.fields.PositiveIntegerField', [], {'default': '1'}),
              'reviewed_by': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'blank': 'True', 'related_name': "'reviewed_tasks'", 'null': 'True'}),
              'status': ('django.db.models.fields.PositiveIntegerField', [], {'default': '1'}),
              'title': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
              'type': ('django.db.models.fields.PositiveIntegerField', [], {'default': '3'})
          }
      }
  
      complete_apps = ['tasks']