Send push notifications from GAE with Flask and Notifo

pushhandler.py

from flask import Flask, request
from google.appengine.api.mail import InboundEmailMessage
import notifo
from config import NOTIFO_USER, NOTIFO_KEY

app = Flask(__name__)

@app.route("/_ah/mail/<address>", methods=['POST'])
def receive_mail(address):
    message = InboundEmailMessage(request.data)
    notifo.send_notification(NOTIFO_USER, NOTIFO_KEY, NOTIFO_USER, message.subject, 'pushhandler')
    return 'OK'