new_contents: import cgi
  from google.appengine.ext import webapp
  from model import *
  from google.appengine.api import users
  import registration as registration
  import os
  from google.appengine.ext.webapp import template
  
  class GroupInvitationHandler(webapp.RequestHandler):
  		
  	def get(self):
  		pass
subject: fix group invitation handler