code: def _vispy_run(self):
      wins = _get_egl_windows()
      while all(w._surface is not None for w in wins):
          self._vispy_process_events()
      self._vispy_quit()
  
imports: from __future__ import division
  import atexit
  from time import sleep
  from ..base import BaseApplicationBackend, BaseCanvasBackend, BaseTimerBackend
  from ...util.ptime import time
  from ...None import config
label_desc: Use image node_id 5 for calling the ApplicationBackend obj's underlying member method code with example usage: obj._vispy_run() without return types