[Checkins] [zopefoundation/Products.MIMETools] abe343: Use Python 3.8 final on Travis CI

[Marius Gedminas]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Products.MIMETools
  Commit: abe343755ad0378ac918d096bf952b69c55b1edf
      https://github.com/zopefoundation/Products.MIMETools/commit/abe343755ad0378ac918d096bf952b69c55b1edf
  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