code: def render(self):
      if self.clock is None:
          self.clock = pygame.time.Clock()
      render_image = self.__build_human_render_image()
      if self.render_mode == "rgb_array":
          return render_image
      elif self.render_mode == "human":
          # Transpose image (pygame wants (width, height, channels), we have (height, width, channels))
          render_image = render_image.transpose(1, 0, 2)
          if self.window_surface is None:
              pygame.init()
              pygame.display.set_caption("ViZDoom")
              self.window_surface = pygame.display.set_mode(
                  render_image.shape[:2]
              )
  
          surf = pygame.surfarray.make_surface(render_image)
          self.window_surface.blit(surf, (0, 0))
          pygame.display.update()
          pygame.event.pump()
          self.clock.tick(self.metadata["render_fps"])
      else:
          return self.isopen
  
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 9 for calling the VizdoomEnv obj's underlying member method code with example usage: obj.render() and returns: render_image, self