[Checkins] [zopefoundation/zope.dublincore] d60905: Fix PyPy versions used.

[Michael Howitz]

  Branch: refs/heads/drop-py34
  Home:   https://github.com/zopefoundation/zope.dublincore
  Commit: d60905416a401a8255bf83b5cfc5b9e23bb325d6
      https://github.com/zopefoundation/zope.dublincore/commit/d60905416a401a8255bf83b5cfc5b9e23bb325d6
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-10-02 (Fri, 02 Oct 2020)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Fix PyPy versions used.