AssertionError: Wrong XPath-Expr in InfoTable.parse() 'type'

stgraber@castiana:~$ python
Python 2.5.2 (r252:60911, Mar 12 2008, 13:39:09)
[GCC 4.2.3 (Ubuntu 4.2.3-2ubuntu4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import launchpadbugs.connector as Connector
>>> Bug=Connector.ConnectBug()
>>> test=Bug(1169)
>>> test.affects
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.5/site-packages/launchpadbugs/lphelper.py", line 261, in <lambda>
    if fget : fget = lambda s, n=fget.__name__ : getattr(s, n)()
  File "/usr/lib/python2.5/site-packages/launchpadbugs/html_bug.py", line 54, in f
    x = a.infotable.current
  File "/usr/lib/python2.5/site-packages/launchpadbugs/lphelper.py", line 261, in <lambda>
    if fget : fget = lambda s, n=fget.__name__ : getattr(s, n)()
  File "/usr/lib/python2.5/site-packages/launchpadbugs/html_bug.py", line 87, in func
    x.parse()
  File "/usr/lib/python2.5/site-packages/launchpadbugs/html_bug.py", line 341, 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://launchpad.net/bugs/1169)