[Checkins] [zopefoundation/AccessControl] 2a5866: Try out Python 3.9 on TravisCI.

[Michael Howitz]

  Branch: refs/heads/py39
  Home:   https://github.com/zopefoundation/AccessControl
  Commit: 2a58665f108d14713b5e1b1f4256c19d811b079f
      https://github.com/zopefoundation/AccessControl/commit/2a58665f108d14713b5e1b1f4256c19d811b079f
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-02-12 (Wed, 12 Feb 2020)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Try out Python 3.9 on TravisCI.