code: def _get_egl_windows():
      wins = list()
      for win in _VP_EGL_ALL_WINDOWS:
          if isinstance(win, CanvasBackend):
              wins.append(win)
      return wins
  
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 1 for calling a global function with example usage: _get_egl_windows() and returns: wins