Traceback (most recent call last):
  File "/usr/bin/fontconfig-voodoo", line 102, in <module>
    main()
  File "/usr/bin/fontconfig-voodoo", line 88, in main
    fc.setConfigBasedOnLocale()
  File "/usr/lib/python2.7/dist-packages/LanguageSelector/FontConfig.py", line 117, in setConfigBasedOnLocale
    locale = language2locale(lang)
  File "/usr/lib/python2.7/dist-packages/LanguageSelector/utils.py", line 48, in language2locale
    locale = subprocess.check_output(['/usr/share/language-tools/language2locale', first_elem])
  File "/usr/lib/python2.7/subprocess.py", line 544, in check_output
    raise CalledProcessError(retcode, cmd, output=output)
CalledProcessError: Command '['/usr/share/language-tools/language2locale', '']' returned non-zero exit status 1