[Checkins] [zopefoundation/plone.z3cform] 52270e: test more python versions

[Peter Mathis]

  Branch: refs/heads/issue_24
  Home:   https://github.com/zopefoundation/plone.z3cform
  Commit: 52270eddc5841c995020bb53a7fd8b01956a09fc
      https://github.com/zopefoundation/plone.z3cform/commit/52270eddc5841c995020bb53a7fd8b01956a09fc
  Author: Peter Mathis <peter.mathis at kombinat.at>
  Date:   2019-04-02 (Tue, 02 Apr 2019)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  test more python versions