old_contents: import logging
  from django.shortcuts import render_to_response
  
  def mainpage(request):
      return render_to_response('main.html')
  
  def success_handler(request, response, openid_url)
      logging.warning("success_handler openid_url: %s" % openid_url)
  
new_contents: import logging
  from django.shortcuts import render_to_response
  
  def mainpage(request):
      return render_to_response('main.html')
  
  def success_handler(request, response, openid_url):
      logging.warning("success_handler openid_url: %s" % openid_url)
  
subject: fix syntax