[Checkins] [zopefoundation/zopetoolkit] 81c290: Note about 3.9.

[Michael Howitz]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zopetoolkit
  Commit: 81c2903d8dfb935a44baf3c1c0655511434f9721
      https://github.com/zopefoundation/zopetoolkit/commit/81c2903d8dfb935a44baf3c1c0655511434f9721
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-03-06 (Fri, 06 Mar 2020)

  Changed paths:
    M README.rst

  Log Message:
  -----------
  Note about 3.9.