docstr: Close the pygame window
  :return: None
code: def close(self):
      """
      Close the pygame window
      :return: None
      """
      self.is_open = False
      pygame.quit()
  
file_path: coach/rl_coach/renderer.py
imports: import numpy
  import contextlib
  from pygame.locals import HWSURFACE, DOUBLEBUF
label_desc: Use image node_id 7 for calling the Renderer obj's underlying member method code with example usage: obj.close() without return types