[BUG] async_reset crashes when called multiple times about envpool HOT 3 OPEN

import envpool
import numpy as np

if __name__ == '__main__':
    N = 100

    # Initialize environments
    env = envpool.make("CartPole-v1", env_type="gym", num_envs=N)

    for round in range(1000):
        print(f"==> Round {round: 4}.", end="\r")
        env_id = np.arange(N)
        # Reset all environments
        obs = env.reset(env_id)
        done = np.array([False] * N)

        # Play exactly 100 episodes
        while not np.all(done):
            action = np.random.randint(env.action_space.n, size=len(env_id))
            state, rew, done, info = env.step(action, env_id)
            env_id = info["env_id"][~done]