[Checkins] [zopefoundation/Zope] 7d9c15: Update comment (#720)

[Alessandro Pisa]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: 7d9c157243655cbcd551255474bb77c0738fe4b7
      https://github.com/zopefoundation/Zope/commit/7d9c157243655cbcd551255474bb77c0738fe4b7
  Author: Alessandro Pisa <alessandro.pisa at gmail.com>
  Date:   2019-10-29 (Tue, 29 Oct 2019)

  Changed paths:
    M src/OFS/Traversable.py

  Log Message:
  -----------
  Update comment (#720)

* Update comment

Refs #674

* Python2 is not a thing anymore

* - change comment so they can be the same on master and 4.x [ci skip]