[Checkins] [zopefoundation/persistent] 1cc84d: Use Python 3.8 final on Travis CI

[Marius Gedminas]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/persistent
  Commit: 1cc84df89cc53b3dca34358a5850f88079ebdba7
      https://github.com/zopefoundation/persistent/commit/1cc84df89cc53b3dca34358a5850f88079ebdba7
  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