Error: python smartmirror.py

[linusum]

After trying to start it up i received these errors

Traceback (most recent call last):
File "smartmirror.py", line 329, in
w = FullscreenWindow()
File "smartmirror.py", line 306, in init
self.clock = Clock(self.topFrame)
File "smartmirror.py", line 76, in init
self.tick()
File "smartmirror.py", line 79, in tick
with setlocale(ui_locale):
File "/usr/lib/python2.7/contextlib.py", line 17, in enter
return self.gen.next()
File "smartmirror.py", line 38, in setlocale
yield locale.setlocale(locale.LC_ALL, name)
File "/usr/lib/python2.7/locale.py", line 581, in setlocale
return _setlocale(category, locale)
locale.Error: unsupported locale setting