#!/usr/bin/env python

class UI:
        def __init__(self, tree):
                self.x = 4
class PlayerUI(UI):
        def __init__(self, tree=None):
                UI.__init__(self, tree)

class Test(UI):
        def __init__(self):
                # Neither of these work..
                #print self.x
                print UI.x

if __name__ == "__main__":
        PlayerUI()
        Test()