[Checkins] [zopefoundation/zopetoolkit] a9eb20: Use Python 3.8 final on Travis CI

[Marius Gedminas]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zopetoolkit
  Commit: a9eb2093b57b3f8be95f895d153f648b57daebe5
      https://github.com/zopefoundation/zopetoolkit/commit/a9eb2093b57b3f8be95f895d153f648b57daebe5
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2019-10-23 (Wed, 23 Oct 2019)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Use Python 3.8 final on Travis CI