[Checkins] [zopefoundation/RestrictedPython] 8bc971: Update setup.py

[Alexander Loechel]

  Branch: refs/heads/pypi-pip_enhancements
  Home:   https://github.com/zopefoundation/RestrictedPython
  Commit: 8bc9716ff712855ce68f8e88dc743fbf63ed3cd9
      https://github.com/zopefoundation/RestrictedPython/commit/8bc9716ff712855ce68f8e88dc743fbf63ed3cd9
  Author: Alexander Loechel <loechel at users.noreply.github.com>
  Date:   2019-10-08 (Tue, 08 Oct 2019)

  Changed paths:
    M setup.py

  Log Message:
  -----------
  Update setup.py

Co-Authored-By: Michael Howitz <mh at gocept.com>