Description of problem:

Impossible to install any desktop in Fedora 22

Version-Release number of selected component (if applicable):
dnf-1.0.0-1.fc22.noarch
python-dnf-1.0.0-1.fc22.noarch

How reproducible:

dnf install @gnome-desktop
dnf -y install @xfce-desktop 
dnf -y install @lxde-desktop 
dnf -y install @kde-desktop 

Steps to Reproduce:
1. Installing all desktop


Actual results:

[makerpm@localhost ~]$ su
Contraseña: 
[root@localhost makerpm]# dnf install @gnome-desktop 
Last metadata expiration check performed 0:13:54 ago on Wed Jun 10 11:02:23 2015.
Traceback (most recent call last):
  File "/usr/bin/dnf", line 36, in <module>
    main.user_main(sys.argv[1:], exit_code=True)
  File "/usr/lib/python2.7/site-packages/dnf/cli/main.py", line 185, in user_main
    errcode = main(args)
  File "/usr/lib/python2.7/site-packages/dnf/cli/main.py", line 84, in main
    return _main(base, args)
  File "/usr/lib/python2.7/site-packages/dnf/cli/main.py", line 134, in _main
    cli.run()
  File "/usr/lib/python2.7/site-packages/dnf/cli/cli.py", line 1077, in run
    return self.command.run(self.base.extcmds)
  File "/usr/lib/python2.7/site-packages/dnf/cli/commands/install.py", line 72, in run
    dnf.const.GROUP_PACKAGE_TYPES)
  File "/usr/lib/python2.7/site-packages/dnf/base.py", line 1253, in env_group_install
    res.groups, types)
  File "/usr/lib/python2.7/site-packages/dnf/comps.py", line 88, in install_or_skip
    logger.warning("%s, %s", str(e)[:-1], _("skipping."))
UnicodeEncodeError: 'ascii' codec can't encode character u'\xe1' in position 17: ordinal not in range(128)


Expected results:
Install other desktop

Additional info:
nothing