[Checkins] [zopefoundation/AccessControl] 8a691a: Fix version dependencies.

[Michael Howitz]

  Branch: refs/heads/py39
  Home:   https://github.com/zopefoundation/AccessControl
  Commit: 8a691a3cd1d598208b6a332ca6a9b84409a3cea4
      https://github.com/zopefoundation/AccessControl/commit/8a691a3cd1d598208b6a332ca6a9b84409a3cea4
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-10-07 (Wed, 07 Oct 2020)

  Changed paths:
    M setup.py

  Log Message:
  -----------
  Fix version dependencies.