Fix committed on github: https://github.com/zopefoundation/AccessControl/commit/dd60a3ac88006f19ad4a36ef3e9e7096af571c28
Fix committed on github: https:/ /github. com/zopefoundat ion/AccessContr ol/commit/ dd60a3ac88006f1 9ad4a36ef3e9e70 96af571c28