[Checkins] [zopefoundation/DocumentTemplate] 977a9b: - Add support for Python 3.9

[Jens Vagelpohl]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/DocumentTemplate
  Commit: 977a9bb51446cdb4b2b55f7965b55a539d3d8b0a
      https://github.com/zopefoundation/DocumentTemplate/commit/977a9bb51446cdb4b2b55f7965b55a539d3d8b0a
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2020-10-26 (Mon, 26 Oct 2020)

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

  Log Message:
  -----------
  - Add support for Python 3.9