old_contents: # -*- coding: utf-8 -
  #
  # This file is part of gunicorn released under the MIT license.
  # See the NOTICE for more information.
  
  import sys
  import time
  
  
  def app(environ, start_response):
      """Application which cooperatively pauses 10 seconds before responding"""
      data = b'Hello, World!\n'
      status = '200 OK'
      response_headers = [
          ('Content-type','text/plain'),
          ('Content-Length', str(len(data)))    ]
      sys.stdout.write('request will timeout')
      sys.stdout.flush()
      time.sleep(35)
      start_response(status, response_headers)
      return iter([data])
  
new_contents: # -*- coding: utf-8 -
  #
  # This file is part of gunicorn released under the MIT license.
  # See the NOTICE for more information.
  
  import sys
  import time
  
  
  def app(environ, start_response):
      """Application which pauses 35 seconds before responding. the worker
      will timeout in default case."""
      data = b'Hello, World!\n'
      status = '200 OK'
      response_headers = [
          ('Content-type','text/plain'),
          ('Content-Length', str(len(data)))    ]
      sys.stdout.write('request will timeout')
      sys.stdout.flush()
      time.sleep(35)
      start_response(status, response_headers)
      return iter([data])
  
subject: fix comment in timeout example.