Error in multiple crypto env: AttributeError: ‘CryptoEnv’ object has no attribute ‘observation_space’

Hello,

I am having an issue with the multiple crypto env. Anybody's help would be appreciated. Thanks!

`model = agent.get_model(model_name, model_kwargs=agent_params)
File “/Users/smail/Desktop/TraderAI/TraderAI/10-finrl/FinRL-Meta/agents/stablebaselines3_models.py”, line 88, in get_model
model = MODELS[model_name](
File “/Users/smail/Desktop/TraderAI/TraderAI/10-finrl/FinRL-Meta/env/lib/python3.8/site-packages/stable_baselines3/ddpg/ddpg.py”, line 81, in __init__
super(DDPG, self).__init__(
File “/Users/smail/Desktop/TraderAI/TraderAI/10-finrl/FinRL-Meta/env/lib/python3.8/site-packages/stable_baselines3/td3/td3.py”, line 91, in __init__
super(TD3, self).__init__(
File “/Users/smail/Desktop/TraderAI/TraderAI/10-finrl/FinRL-Meta/env/lib/python3.8/site-packages/stable_baselines3/common/off_policy_algorithm.py”, line 107, in __init__
super(OffPolicyAlgorithm, self).__init__(
File “/Users/smail/Desktop/TraderAI/TraderAI/10-finrl/FinRL-Meta/env/lib/python3.8/site-packages/stable_baselines3/common/base_class.py”, line 163, in __init__
env = self._wrap_env(env, self.verbose, monitor_wrapper)
File “/Users/smail/Desktop/TraderAI/TraderAI/10-finrl/FinRL-Meta/env/lib/python3.8/site-packages/stable_baselines3/common/base_class.py”, line 207, in _wrap_env
env = DummyVecEnv([lambda: env])
File “/Users/smail/Desktop/TraderAI/TraderAI/10-finrl/FinRL-Meta/env/lib/python3.8/site-packages/stable_baselines3/common/vec_env/dummy_vec_env.py”, line 27, in __init__
VecEnv.__init__(self, len(env_fns), env.observation_space, env.action_space)
File “/Users/smail/Desktop/TraderAI/TraderAI/10-finrl/FinRL-Meta/env/lib/python3.8/site-packages/gym/core.py”, line 238, in __getattr__
return getattr(self.env, name)
AttributeError: ‘CryptoEnv’ object has no attribute ‘observation_space’ `