old_contents: from os import environ
  import TileStache
  
  # read config file or URL from environment, defaults to tiles.cfg
  application = TileStache.WSGITileServer('tiles.cfg')
  
new_contents: from os import environ
  import TileStache
  
  # read config file or URL from environment, defaults to tiles.cfg
  application = TileStache.WSGITileServer('/home/osm/tiles.cfg')
  
subject: change config path in tiles application