Google AppEngine Handlers for a simple MovieQuotes web app

MovieQuotes_main.py

import os

from google.appengine.ext import ndb
import jinja2
from models import MovieQuote
import webapp2


jinja_env = jinja2.Environment(
  loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
  autoescape=True)

# Generic key used to group MovieQuotes into an entity group.
PARENT_KEY = ndb.Key("Entity", 'moviequote_root')

class MovieQuotesPage(webapp2.RequestHandler):
    def get(self):
        moviequotes_query = MovieQuote.query(ancestor=PARENT_KEY).order(-MovieQuote.last_touch_date_time)
        template = jinja_env.get_template("templates/moviequotes.html")
        self.response.out.write(template.render({"moviequotes_query": moviequotes_query}))

class AddQuoteAction(webapp2.RequestHandler):
    def post(self):
        new_quote = MovieQuote(parent=PARENT_KEY,
                               quote=self.request.get("quote"),
                               movie=self.request.get("movie"))
        new_quote.put()
        self.redirect(self.request.referer)

app = webapp2.WSGIApplication([
    ("/", MovieQuotesPage),
    ("/addquote", AddQuoteAction)
], debug=True)