[Checkins] [zopefoundation/zope.tales] 3405e3: Use Python 3.8 final on Travis CI

[Marius Gedminas]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zope.tales
  Commit: 3405e36e68ec8963d38d1282b578829e35ffed94
      https://github.com/zopefoundation/zope.tales/commit/3405e36e68ec8963d38d1282b578829e35ffed94
  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