[Checkins] [zopefoundation/Acquisition] 8347b6: - improved tox config [ci skip]

[GitHub]

  Branch: refs/heads/2.13
  Home:   https://github.com/zopefoundation/Acquisition
  Commit: 8347b644a0f504c77af4a68842a4ec3535bb0afb
      https://github.com/zopefoundation/Acquisition/commit/8347b644a0f504c77af4a68842a4ec3535bb0afb
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2017-12-01 (Fri, 01 Dec 2017)

  Changed paths:
    M tox.ini

  Log Message:
  -----------
  - improved tox config [ci skip]