def test_contains(self):
        prio_set_list = event._PrioritizedSetList()
        obj = object()

        prio_set_list.add(0, obj)
        assert obj in prio_set_list
def draw_path(self,c,container):
		c.path(self.center[0],self.center[1],container.center[0],container.center[1])