debathena-delete barfs if AFS isn't enabled in kernel

[jik]

I could have sworn I filed a ticket about long ago, but now I can't find it. Sorry if I missed it and this is a duplicate...

jik@qs76-2:~$ expunge
Traceback (most recent call last):
  File "/usr/bin/expunge", line 195, in <module>
    sys.exit(main())
  File "/usr/bin/expunge", line 178, in main
    n_days=options.timev)
  File "/usr/lib/python2.7/dist-packages/libdelete.py", line 147, in find_deleted_files
    if is_mountpoint(filename) and not follow_mounts:
  File "/usr/lib/python2.7/dist-packages/libdelete.py", line 59, in is_mountpoint
    afs.fs.whichcell(path)
  File "/usr/lib/python2.7/dist-packages/afs/fs.py", line 28, in whichcell
    return _fs.whichcell(path)
  File "afs/_fs.pyx", line 17, in afs._fs.whichcell (afs/_fs.c:869)
  File "afs/_util.pyx", line 36, in afs._util.pioctl_read (afs/_util.c:1022)
OSError: [Errno 38] Function not implemented