text: # -*- coding: utf-8 -*-
  
  try:
      from new import classobj
      from google.appengine.ext import db as gae
      from google.appengine.ext import ndb
      from google.appengine.api import namespace_manager, rdbms
      from google.appengine.api.datastore_types import Key  # for belongs on ID
      from google.appengine.ext.ndb.polymodel import PolyModel as NDBPolyModel
  except ImportError:
      gae = None
      Key = None
  