The HTTPMultipleChoices class is accessible via the paste.httpexceptions module.
'%(explanation)s <a href="%(location)s">%(location)s</a>;\r\nyou should be redirected automatically.\r\n%(detail)s\r\n<!-- %(comment)s -->'
Create a redirect object with the dest_uri, which may be relative, considering it relative to the uri implied by the given environ.
This exception as a WSGI application
See the source for more information.