code: def close(self):
      if self.window_surface:
          pygame.quit()
          self.isopen = False
  
imports: import itertools
  import warnings
  from typing import Optional
  import gymnasium
  import numpy
  import pygame
  from gymnasium.utils import EzPickle
  import vizdoom.vizdoom
label_desc: Use image node_id 10 for calling the VizdoomEnv obj's underlying member method code with example usage: obj.close() without return types