[Checkins] [zopefoundation/Zope] 04d068: Try to fix RTD.

[Michael Howitz]

  Branch: refs/heads/2.13
  Home:   https://github.com/zopefoundation/Zope
  Commit: 04d06826bae0c5969c848ec1fefcef7c6eaafac4
      https://github.com/zopefoundation/Zope/commit/04d06826bae0c5969c848ec1fefcef7c6eaafac4
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-01-23 (Thu, 23 Jan 2020)

  Changed paths:
    A requirements-rtd.txt

  Log Message:
  -----------
  Try to fix RTD.