[Checkins] [zopefoundation/Zope] c8a717: - trying to force a travis environment variable

[Jens Vagelpohl]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: c8a717f074e3957701ef27f7ce237dd618e92697
      https://github.com/zopefoundation/Zope/commit/c8a717f074e3957701ef27f7ce237dd618e92697
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2019-05-17 (Fri, 17 May 2019)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  - trying to force a travis environment variable