class_docstr: An abstract asynchronous, vectorized environment.
code: def __init__(self, num_envs, observation_space, action_space):
      self.num_envs = num_envs
      self.observation_space = observation_space
      self.action_space = action_space
  
file_path: keras-rl/rl/common/vec_env/__init__.py
label_desc: Use image node_id 1 to create a new VecEnv object from inherited base classes: object with example: obj = VecEnv(num_envs, observation_space, action_space)