[Checkins] [zopefoundation/ExtensionClass] 971d82: Try out Python 3.9 on TravisCI.

[Michael Howitz]

  Branch: refs/heads/py39
  Home:   https://github.com/zopefoundation/ExtensionClass
  Commit: 971d820581d2c3796d9701a5040291ea5fba5a14
      https://github.com/zopefoundation/ExtensionClass/commit/971d820581d2c3796d9701a5040291ea5fba5a14
  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.