def get_last_child(self):
        child_keys = self.get_child_keys()
        return self.get_child_node(child_keys[-1])
callback_ip_banned only called when ban period starts.
dataset/ETHPy150Open AnyMesh/anyMesh-Python/example/urwid/treetools.py/ParentNode.get_last_child--crossover with--dataset/ETHPy150Open biicode/bii-server/rest/bottle_plugins/generic_blocker_bottle_plugin.py/GenericBlockerBottlePlugin.__init__