class_docstr: VectorEnv analog to gym.Wrapper.
class_docstr_tok: ["VectorEnv","analog","to","gym.Wrapper","."]
code: def __repr__(self):
      return str(self)
  
imports: from collections import deque
  from gym import spaces
  import numpy
  from chainerrl.env import VectorEnv
  from chainerrl.wrappers.atari_wrappers import LazyFrames
label_desc: Use image node_id 10 for calling the VectorEnvWrapper obj's underlying member method code with example usage: obj.__repr__() and returns: str