[Checkins] [zopefoundation/RestrictedPython] f62287: appveyor debugging --> python3 enforment

[Alexander Loechel]

  Branch: refs/heads/simplify_tox
  Home:   https://github.com/zopefoundation/RestrictedPython
  Commit: f622875a0d90d8b369d85da5135de595f6bcf46b
      https://github.com/zopefoundation/RestrictedPython/commit/f622875a0d90d8b369d85da5135de595f6bcf46b
  Author: Alexander Loechel <Alexander.Loechel at lmu.de>
  Date:   2019-10-27 (Sun, 27 Oct 2019)

  Changed paths:
    M appveyor.yml

  Log Message:
  -----------
  appveyor debugging --> python3 enforment