[Checkins] [zopefoundation/zope.security] b2b7ec: Use Python 3.8 final on Travis CI

[Marius Gedminas]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zope.security
  Commit: b2b7ec8bca04be337bd91a6c5c6df61a5e27b418
      https://github.com/zopefoundation/zope.security/commit/b2b7ec8bca04be337bd91a6c5c6df61a5e27b418
  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