[Checkins] [zopefoundation/Products.BTreeFolder2] 5b8a9e: Use Python 3.8 final on Travis CI

[Marius Gedminas]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Products.BTreeFolder2
  Commit: 5b8a9e612b8b2e13425d1bb60e85c245833df88e
      https://github.com/zopefoundation/Products.BTreeFolder2/commit/5b8a9e612b8b2e13425d1bb60e85c245833df88e
  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