[Checkins] [zopefoundation/Acquisition] 3598e5: Try out Python 3.9 on TravisCI.

[Michael Howitz]

  Branch: refs/heads/py39
  Home:   https://github.com/zopefoundation/Acquisition
  Commit: 3598e5fb8259fe99fad6a66b327bc0568adc60ab
      https://github.com/zopefoundation/Acquisition/commit/3598e5fb8259fe99fad6a66b327bc0568adc60ab
  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.