code: def _vispy_quit(self):
      # Close windows
      wins = _get_glfw_windows()
      for win in wins:
          if win._vispy_canvas is not None:
              win._vispy_canvas.close()
      # tear down timers
      for timer in self._timers:
          timer._vispy_stop()
      self._timers = []
  
imports: from __future__ import division
  import atexit
  from time import sleep
  import gc
  import os
  from ..base import BaseApplicationBackend, BaseCanvasBackend, BaseTimerBackend
  from ...util import keys, logger
  from ...util.ptime import time
  from ...None import config
label_desc: Use image node_id 6 for calling the ApplicationBackend obj's underlying member method code with example usage: obj._vispy_quit() without return types