Description of problem:
I get the following when starting cups:
[~/empty#] service cups restart
Stoppar cups:                                     [     OK     ]
Startar cups: Traceback (most recent call last):
  File "/usr/sbin/printconf-backend", line 7, in ?
    import backend
  File "/usr/share/printconf/util/backend.py", line 54, in ?
    which = cups_import.which_spooler ()
  File "/usr/share/printconf/util/cups_import.py", line 195, in
which_spooler
    return which
UnboundLocalError: local variable 'which' referenced before assignment
                                                  [     OK     ]

Version-Release number of selected component (if applicable):
cups-1.1.20-12

How reproducible:
100%

Steps to Reproduce:
Start cups service

Additional info:
All relevant packages are latest rawhide versions. I didn't get the
same error in previous version (think it was 1.1.20-6).