[Checkins] [zopefoundation/persistent] b8cfd5: There is no 3.9 on MacOS, yet.

[Michael Howitz]

  Branch: refs/heads/py39
  Home:   https://github.com/zopefoundation/persistent
  Commit: b8cfd5dac923551ba86c40e7e73c2d918d774530
      https://github.com/zopefoundation/persistent/commit/b8cfd5dac923551ba86c40e7e73c2d918d774530
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-03-04 (Wed, 04 Mar 2020)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  There is no 3.9 on MacOS, yet.