[Checkins] [zopefoundation/Zope] 3fd6b2: Try bionic.

[Michael Howitz]

  Branch: refs/heads/py39
  Home:   https://github.com/zopefoundation/Zope
  Commit: 3fd6b22358cfacb66dabd900cf775c76706b428b
      https://github.com/zopefoundation/Zope/commit/3fd6b22358cfacb66dabd900cf775c76706b428b
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-02-11 (Tue, 11 Feb 2020)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Try bionic.