[Checkins] [zopefoundation/zope.exceptions] 90c307: Try out Python 3.9

[Michael Howitz]

  Branch: refs/heads/py39
  Home:   https://github.com/zopefoundation/zope.exceptions
  Commit: 90c3077bc62fb5a9e5e5a9061e1100c9563c62a5
      https://github.com/zopefoundation/zope.exceptions/commit/90c3077bc62fb5a9e5e5a9061e1100c9563c62a5
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-07-03 (Fri, 03 Jul 2020)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Try out Python 3.9