class_docstr: An abstract asynchronous, vectorized environment.
  
  :param num_envs: (int) the number of environments
  :param observation_space: (Gym Space) the observation space
  :param action_space: (Gym Space) the action space
code: def unwrapped(self):
      if isinstance(self, VecEnvWrapper):
          return self.venv.unwrapped
      else:
          return self
  
imports: from abc import ABC, abstractmethod
  import inspect
  import pickle
  from typing import Sequence, Optional, List, Union
  import cloudpickle
  import numpy
  from stable_baselines import logger
  from stable_baselines.common.tile_images import tile_images
label_desc: Use image node_id 13 for calling the VecEnv obj's underlying member method code with example usage: obj.unwrapped() and returns: self, self