[Checkins] [zopefoundation/ZEO] 763ebc: - cleanup: remove references to obsolete Python 3.4

[Jens Vagelpohl]

  Branch: refs/heads/zodb-pr207
  Home:   https://github.com/zopefoundation/ZEO
  Commit: 763ebc9d13ab6f160f5587700503ade277235944
      https://github.com/zopefoundation/ZEO/commit/763ebc9d13ab6f160f5587700503ade277235944
  Author: Jens Vagelpohl <jens at mineralware.com>
  Date:   2020-07-25 (Sat, 25 Jul 2020)

  Changed paths:
    M .travis.yml
    M CHANGES.rst
    M setup.py
    M tox.ini

  Log Message:
  -----------
  - cleanup: remove references to obsolete Python 3.4