[Checkins] [zopefoundation/DateTime] b84436: newer too versions seem to require setuptools-scm

[Michael Howitz]

  Branch: refs/heads/fix-travis
  Home:   https://github.com/zopefoundation/DateTime
  Commit: b8443674b989b2a71545cdfedd78cf645f0907fb
      https://github.com/zopefoundation/DateTime/commit/b8443674b989b2a71545cdfedd78cf645f0907fb
  Author: Michael Howitz <mac at gmx.net>
  Date:   2019-06-28 (Fri, 28 Jun 2019)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  newer too versions seem to require setuptools-scm

It does not seem to declare it or buildout is not able to handle the declaration