class_docstr: Superclass for MuJoCo environments.
class_docstr_tok: ["Superclass","for","MuJoCo","environments","."]
code: def close(self):
      if self.viewer is not None:
          self.viewer.close()
      super().close()
  
imports: from os import path
  from typing import Optional, Union
  import numpy
  import gym
  from gym import error, logger, spaces
  from gym.spaces import Space
label_desc: Use image node_id 7 for calling the MujocoEnv obj's underlying member method code with example usage: obj.close() without return types