in data/envs/babyai/bot_agent.py [0:0]
def replan_after_action(self, action_taken):
if action_taken is None or action_taken == self.actions.toggle:
self.bot.stack.pop()
elif action_taken in [self.actions.forward, self.actions.left, self.actions.right]:
self._plan_undo_action(action_taken)