py-lp-bugs fails to parse infotables

From: <email address hidden>
To: <email address hidden>
Subject: bughelper-server: 2007-09-07 22:04:46, 154 WARNING failed to process '<unknown source>, (description: bugs in ubuntu with no package)'
Date: Sat, 08 Sep 2007 12:00:09 +0200

2007-09-07 22:04:46,154 WARNING failed to process '<unknown source>, (description: bugs in ubuntu with no package)'
Commandline: ['./bughelper', '--url', 'https://bugs.launchpad.net/ubuntu/+bugs?field.has_no_package=on', '-AH', '--verbose', '2', '--format', 'html']
"Checked at ['/home/daniel/.bughelper/packages/ubuntu.info'] - no clues found. Check README on how to create one using the bugxml(1) command."
Traceback (most recent call last):
  File "./bughelper", line 200, in <module>
    main()
  File "./bughelper", line 148, in main
    info_file = files.get_info_file(b.sourcepackage, cl.options.verbose)
  File "/home/daniel/bzr/bughelper.main/launchpadbugs/bugbase.py", line 17, in <lambda>
    if fget : fget = lambda s, n=fget.__name__ : getattr(s, n)()
  File "/home/daniel/bzr/bughelper.main/launchpadbugs/html_bug.py", line 128, in f
    x = a.infotable.current
  File "/home/daniel/bzr/bughelper.main/launchpadbugs/bugbase.py", line 17, in <lambda>
    if fget : fget = lambda s, n=fget.__name__ : getattr(s, n)()
  File "/home/daniel/bzr/bughelper.main/launchpadbugs/html_bug.py", line 161, in func
    x.parse()
  File "/home/daniel/bzr/bughelper.main/launchpadbugs/html_bug.py", line 497, in parse
    assert type, "Wrong XPath-Expr in InfoTable.parse() 'type' (%s)" %(DEBUG_URL or "unknown")
AssertionError: Wrong XPath-Expr in InfoTable.parse() 'type' (https://bugs.launchpad.net/ubuntu/+bug/105881)