Python代码解决RenderView窗口not found问题

import maya.cmds as mc

exists = 0
getPan = mc.getPanel(scriptType = 'renderWindowPanel')
for item in getPan:
  if item == 'renderView':
    print 'renderView exists.\n'
    exists = 1
if exists == 0:
  for item in getPan:
    print item + '\n'
　　　　 if item == 'renderWindowPanel1':
      mc.deleteUI( renderWindowPanel1 )
      renderPanel = mc.scriptPanel( type = 'renderWindowPanel', unParent = renderView)
      mc.scriptedPanel( ex = 1, l = "renderPanel", rp = 'renderPanel')