[Checkins] [zopefoundation/z3c.autoinclude] 90466e: add black check

[Jens W. Klein]

  Branch: refs/heads/black
  Home:   https://github.com/zopefoundation/z3c.autoinclude
  Commit: 90466e015fbdc175863465f70c8c242ec556b5cd
      https://github.com/zopefoundation/z3c.autoinclude/commit/90466e015fbdc175863465f70c8c242ec556b5cd
  Author: Jens W. Klein <jk at kleinundpartner.at>
  Date:   2019-09-19 (Thu, 19 Sep 2019)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  add black check