mass-sync.py unable to auth

kirkland@x200:/local/source/ubuntu-archive-tools$ ./mass-sync.py < /tmp/backports.txt
The authorization page:
   (https://edge.launchpad.net/+authorize-token?oauth_token=xxxxxx)
should be opening in your browser. After you have authorized
this program to access Launchpad on your behalf you should come
back here and press <Enter> to finish the authentication process.
Created new window in existing browser session.
Traceback (most recent call last):
  File "./mass-sync.py", line 299, in <module>
    main()
  File "./mass-sync.py", line 233, in main
    launchpad = lputils.lpfactory(options.launchpad_instance, CONSUMER_KEY)
  File "/local/source/ubuntu-archive-tools/lputils.py", line 30, in lpfactory
    consumer_key, service_root=service_root)
  File "/usr/lib/pymodules/python2.6/launchpadlib/launchpad.py", line 294, in login_with
    max_failed_attempts=max_failed_attempts, version=version)
  File "/usr/lib/pymodules/python2.6/launchpadlib/launchpad.py", line 214, in get_token_and_login
    credentials.exchange_request_token_for_access_token(web_root)
  File "/usr/lib/pymodules/python2.6/launchpadlib/credentials.py", line 142, in exchange_request_token_for_access_token
    raise HTTPError(response, content)
lazr.restfulclient.errors.HTTPError: HTTP Error 401: Unauthorized
Response headers:
---
content-length: 57
content-type: text/plain;charset=utf-8
date: Wed, 20 Oct 2010 21:31:34 GMT
server: zope.server.http (HTTP)
status: 401
vary: Cookie,Authorization,Accept-Encoding
via: 1.1 edge.launchpad.net
www-authenticate: OAuth realm="https://api.launchpad.net"
x-content-type-warning: guessed from content
x-powered-by: Zope (www.zope.org), Python (www.python.org)
---
Response body:
---
Request token has not yet been reviewed. Try again later.
---