Can't run unsettings because of error

Hey I get this error and it causes the program to not launch. Anyone have any ideas? Thanks for any help on this. I am using Ubuntu 12.10 64bit linux mint 14 Nadia cinnamon.

Traceback (most recent call last):
  File "/usr/bin/unsettings", line 9, in <module>
    load_entry_point('unsettings==0.08', 'console_scripts', 'unsettings')()
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 337, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2311, in load_entry_point
    return ep.load()
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2017, in load
    entry = __import__(self.module_name, globals(),globals(), ['__name__'])
  File "/usr/lib/python2.7/dist-packages/unsettings/__init__.py", line 23, in <module>
    from main import main as _main
  File "/usr/lib/python2.7/dist-packages/unsettings/main.py", line 29, in <module>
    import i18n, connection, backends, widgets, ui, settings, clipboard, optionfile, dialogs, themes, about, statusbar
  File "/usr/lib/python2.7/dist-packages/unsettings/i18n.py", line 6, in <module>
    import settings
  File "/usr/lib/python2.7/dist-packages/unsettings/settings.py", line 77, in <module>
    UNITY_MAJOR_VERSION, UNITY_VERSION = get_unity_version()
  File "/usr/lib/python2.7/dist-packages/unsettings/settings.py", line 33, in get_unity_version
    versionstr = subprocess.check_output(['unity', '--version'])
  File "/usr/lib/python2.7/subprocess.py", line 537, in check_output
    process = Popen(stdout=PIPE, *popenargs, **kwargs)
  File "/usr/lib/python2.7/subprocess.py", line 679, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1259, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory