Ошибка ImportError: невозможно импортировать имя «DummyVecEnv» из «stable_baselines3.common.envs». ⇐ Python

[Anonymous]

import numpy as np import pandas as pd from stable_baselines3 import DQN from stable_baselines3.common.envs import DummyVecEnv from gym import spaces When importing DummyVecEnv, I am getting the following error. Kindly help me to solve the problem.
Input In [1], in () 3 import pandas as pd 4 from stable_baselines3 import DQN ----> 5 from stable_baselines3.common.envs import DummyVecEnv 6 from gym import spaces ImportError: cannot import name 'DummyVecEnv' from 'stable_baselines3.common.envs' (C:\ProgramData\Anaconda3\lib\site-packages\stable_baselines3\common\envs\__init__.py)

Источник: https://stackoverflow.com/questions/781 ... common-env