[Checkins] [zopefoundation/AccessControl] ca59a6: Prefer Python 3.

[GitHub]

  Branch: refs/heads/py3-pure-python
  Home:   https://github.com/zopefoundation/AccessControl
  Commit: ca59a6a11c6bb7df1e3249e0a0f669df42925ee7
      https://github.com/zopefoundation/AccessControl/commit/ca59a6a11c6bb7df1e3249e0a0f669df42925ee7
  Author: Michael Howitz <mh at gocept.com>
  Date:   2017-05-03 (Wed, 03 May 2017)

  Changed paths:
    M src/AccessControl/ZopeGuards.py

  Log Message:
  -----------
  Prefer Python 3.