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
docstr: Return RGB images from each environment
docstr_tok: ["Return","RGB","images","from","each","environment"]
code: def get_images(self) -> Sequence[np.ndarray]:
      """
      Return RGB images from each environment
      """
      raise NotImplementedError
  
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 11 for calling the VecEnv obj's underlying member method code with example usage: obj.get_images() without return types