code: def _vispy_process_events(self):
      for timer in self._timers:
          timer._tick()
      wins = _get_egl_windows()
      for win in wins:
          if win._needs_draw:
              win._needs_draw = False
              win._on_draw()
  
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 4 for calling the ApplicationBackend obj's underlying member method code with example usage: obj._vispy_process_events() without return types