[Checkins] [zopefoundation/Zope] 74511c: Python 3.9 seems to need a newer pip version.

[Michael Howitz]

  Branch: refs/heads/py39
  Home:   https://github.com/zopefoundation/Zope
  Commit: 74511cc6c14ac9a0a658f23d496b605e2118b8c8
      https://github.com/zopefoundation/Zope/commit/74511cc6c14ac9a0a658f23d496b605e2118b8c8
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-02-11 (Tue, 11 Feb 2020)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Python 3.9 seems to need a newer pip version.