[Checkins] [zopefoundation/zc.monitor] 2f0df8: Test on Python 3 versions

[Michael Howitz]

  Branch: refs/heads/icemac-patch-1
  Home:   https://github.com/zopefoundation/zc.monitor
  Commit: 2f0df83d7869f5aa84045c65a4a98e295e7c8aa9
      https://github.com/zopefoundation/zc.monitor/commit/2f0df83d7869f5aa84045c65a4a98e295e7c8aa9
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-12-06 (Fri, 06 Dec 2019)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Test on Python 3 versions