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: Call instance methods of vectorized environments.
  
  :param method_name: (str) The name of the environment method to invoke.
  :param indices: (list,int) Indices of envs whose method to call
  :param method_args: (tuple) Any positional arguments to provide in the call
  :param method_kwargs: (dict) Any keyword arguments to provide in the call
  :return: (list) List of items returned by the environment's method call
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code: def env_method(
      self, method_name, *method_args, indices=None, **method_kwargs
  ):
      """
      Call instance methods of vectorized environments.
  
      :param method_name: (str) The name of the environment method to invoke.
      :param indices: (list,int) Indices of envs whose method to call
      :param method_args: (tuple) Any positional arguments to provide in the call
      :param method_kwargs: (dict) Any keyword arguments to provide in the call
      :return: (list) List of items returned by the environment's method call
      """
      pass
  
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 8 for calling the VecEnv obj's underlying member method code with example usage: obj.env_method(method_name) without return types