[Checkins] [zopefoundation/Zope] 7dd979: Update to a version which supports newer setuptool...

[Michael Howitz]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: 7dd979f6ce819ffda4763f89691716a01e5306c3
      https://github.com/zopefoundation/Zope/commit/7dd979f6ce819ffda4763f89691716a01e5306c3
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-03-13 (Fri, 13 Mar 2020)

  Changed paths:
    M constraints.txt
    M requirements-full.txt
    M versions-prod.cfg

  Log Message:
  -----------
  Update to a version which supports newer setuptools versions.