def update_with_move(self, last_move):
		if last_move in self.root.children:
			self.root = self.root.children[last_move]
			self.root.parent = None
			# siblings of root will be garbage-collected because they are no longer reachable
		else:
			self.root = TreeNode(None, 1.0)
Update the alarm state.
dataset/ETHPy150Open Rochester-NRT/RocAlphaGo/AlphaGo/mcts.py/MCTS.update_with_move--crossover with--dataset/ETHPy150Open openstack/python-monascaclient/monascaclient/v2_0/shell.py/do_alarm_update