[Checkins] [zopefoundation/five.grok] 0fc574: fix error so that correct plone versions are used

[Daniel Havlik]

  Branch: refs/heads/ck_plone52
  Home:   https://github.com/zopefoundation/five.grok
  Commit: 0fc574a983584c7e888b724aac432060e5f24514
      https://github.com/zopefoundation/five.grok/commit/0fc574a983584c7e888b724aac432060e5f24514
  Author: Daniel Havlik <dh at gocept.com>
  Date:   2019-12-10 (Tue, 10 Dec 2019)

  Changed paths:
    M base.cfg
    M tox.ini

  Log Message:
  -----------
  fix error so that correct plone versions are used