def __init__(self, parent=None):
        pyglet.graphics.OrderedGroup.__init__(self, self._get_next_top_order(), parent)
        self.own_order = self.order
Creates a new ViewerManagerGroup. By default it is on top.
dataset/ETHPy150Open jorgecarleitao/pyglet-gui/pyglet_gui/manager.py/ViewerManagerGroup.__init__