Happens on osx, linux, win32 for me.

Quick workaround (this is the first time I've ever sent out a patch. heh)

    --- scratch.py.original 2009-08-28 10:49:38.000000000 +0100
    +++ scratch.py  2009-08-28 10:42:17.000000000 +0100
    @@ -213,10 +213,13 @@

         def one_line_description(self):
             """DOC"""
    -        if len(self.mod.__doc__) > 0:
    -            return self.mod.__doc__.splitlines()[0]
    -        else:
    -            return "(no description)"
    +        try:
    +            if len(self.mod.__doc__) > 0:
    +                return self.mod.__doc__.splitlines()[0]
    +            else:
    +                return "(no description)"
    +        except:
    +            return "(no description)"

         def long_description(self):
             """DOC"""

Save that to a file called scratch.patch (make sure there's no indentation at the beginning of lines) in the dir. Then run this:

    patch < ../scratch.patch