[hardy] hplip toolbox / hp-setup hangs on AttributeError NoneType

[Schmirrwurst]

Binary package hint: hplip

When trying to add a printer, from hplip toolbox or strating hp-setup from command line, the first step detects my printer, and then when I try to click next it hangs... here is the output :

#hp-setup

HP Linux Imaging and Printing System (ver. 2.8.2)
Printer/Fax Setup Utility ver. 7.0

Copyright (c) 2001-7 Hewlett-Packard Development Company, LP
This software comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to distribute it
under certain conditions. See COPYING file for more details.

Traceback (most recent call last):
  File "/usr/share/hplip/ui/setupform.py", line 258, in showPage
    self.updatePPDPage()
  File "/usr/share/hplip/ui/setupform.py", line 541, in updatePPDPage
    ppds = cups.getSystemPPDs()
  File "/usr/share/hplip/prnt/cups.py", line 243, in getSystemPPDs
    path = os.path.join(cups_ppd_path, ppd)
  File "/usr/lib/python2.5/posixpath.py", line 62, in join
    elif path == '' or path.endswith('/'):
AttributeError: 'NoneType' object has no attribute 'endswith'

[Pascal De Vuyst (pascal-devuyst)]

Confirmed by duplicate.