def __init__(self, workspace): Layout.__init__(self, workspace) self.maxmasters = 1 self.root = TileRoot() self.root.add_child(TileVerticalBox(self.root)) self.master = TileHorizontalBox(self.root.child) self.slave = TileHorizontalBox(self.root.child) self.proportions = (0.5, 0.5)