google-app-engine - Python 2.5 から 2.7 に移行したいのですが、変更を加えた後、ウェブサイトが移行しません。

Question

Python から 2.7 から 2.5 に移行しようとしていますが、main.py および app.yaml ファイルに必要な変更を加えた後、サイトが機能しません

助けてください...動作させるには、これらにどのような変更を加える必要がありますか

main.py

import os
from google.appengine.ext import webapp

from google.appengine.ext.webapp import util

from google.appengine.ext.webapp import template

class MainHandler(webapp.RequestHandler):
  def get (self, q):
    if q is None:
      q = 'index.html'

    path = os.path.join (os.path.dirname (__file__), q)
    self.response.headers ['Content-Type'] = 'text/html'
    self.response.out.write (template.render (path, {}))

def main ():
  application = webapp.WSGIApplication ([('/(.*html)?', MainHandler)], debug=True)
  util.run_wsgi_app (application)

if __name__ == '__main__':
  main ()

app.yaml

application: cool-gadgets    
version: 1    
runtime: python    
api_version: 1    

handlers:
- url: /robots.txt
  static_files: static/robots.txt
  upload: static/robots.txt

- url: /favicon.ico
  static_files: static/favicon.ico
  upload: static/favicon.ico

- url: /gadgets/disney.xml
  static_files: gadgets/disney.xml
  upload: gadgets/disney.xml

- url: /gadgets/wwe.xml
  static_files: gadgets/wwe.xml
  upload: gadgets/wwe.xml

- url: .*
  script: main.py

2.7に移行するためにこれに加えた変更

Main.py

import os
from google.appengine.ext import webapp

from google.appengine.ext.webapp import util

from google.appengine.ext.webapp import template

class MainHandler(webapp.RequestHandler):
  def get (self, q):
    if q is None:
      q = 'index.html'

    path = os.path.join (os.path.dirname (__file__), q)
    self.response.headers ['Content-Type'] = 'text/html'
    self.response.out.write (template.render (path, {}))


  application = webapp.WSGIApplication ([('/(.*html)?', MainHandler)], debug=True)

app.yaml

application: cool-gadgets    
version: 1    
runtime: python27    
api_version: 1    
threadsafe: true    

handlers:
- url: /robots.txt
  static_files: static/robots.txt
  upload: static/robots.txt

- url: /favicon.ico
  static_files: static/favicon.ico
  upload: static/favicon.ico

- url: /gadgets/disney.xml
  static_files: gadgets/disney.xml
  upload: gadgets/disney.xml

- url: /gadgets/wwe.xml
  static_files: gadgets/wwe.xml
  upload: gadgets/wwe.xml

- url: .*
  script: main.application