When the category name is put on the command line in Linux

$ python pwb.py scripts/makecat.py -family:wikipedia -lang:en Roads_in_Kent
Traceback (most recent call last):

File "pwb.py", line 157, in <module>
  run_python_file(fn, argv, argvu)
File "pwb.py", line 67, in run_python_file
  exec(compile(source, filename, "exec"), main_mod.__dict__)
File "scripts/makecat.py", line 217, in <module>
  workingcatname = unicode(workingcatname, 'utf-8')

TypeError: decoding Unicode is not supported
<type 'exceptions.TypeError'>
CRITICAL: Waiting for 1 network thread(s) to finish. Press ctrl-c to abort

It works correctly if the category name is entered via pywikibot.input()

$ python pwb.py scripts/makecat.py -family:wikipedia -lang:en
Which page to start with? Roads_in_Kent

Roy Phippen

....

Version: core-(2.0)
Severity: major
OS: Linux
Platform: PC