_pickle.PicklingError: Can't pickle <class 'main.aaa'>: attribute lookup aaa on main failed

注：其中aaa是a56爆大奖在线娱乐的类名。这个问题是a56爆大奖在线娱乐想保存一个自定义的类对象时，采用如下代码pickle模块保存时出现的报错信息。 with open(f'saved_agent_{seed}.pkl', 'wb') as file: pickle.dump(agent, file) 出错原因该错误通常出现