ValueError: too many values to unpack (expected 2)

[jupitermarketingagency]

I'm getting the following error when running the Advantage Actor-Critic to Play Acrobot-V1

ValueError Traceback (most recent call last)
in <cell line: 21>()
20 episode_rewards = []
21 for episode in itertools.count():
---> 22 episode_reward, elapsed_steps = play_episode(env, agent, seed=episode,
23 mode='train')
24 episode_rewards.append(episode_reward)

in play_episode(env, agent, seed, mode, render)
1 def play_episode(env, agent, seed=None, mode=None, render=False):
----> 2 observation, _ = env.reset(seed=seed)
3 reward, terminated, truncated = 0., False, False
4 agent.reset(mode=mode)
5 episode_reward, elapsed_steps = 0., 0

ValueError: too many values to unpack (expected 2)

[ZhiqingXiao]

Please update Gym to the latest version (i.e. Gym 0.26.2).