[Checkins] [zopefoundation/z3c.checkversions] ee969c: Add missing package.

[GitHub]

  Branch: refs/heads/py37
  Home:   https://github.com/zopefoundation/z3c.checkversions
  Commit: ee969cdc00ffa15a1fb9d4d7454b2a7ec4cf3a96
      https://github.com/zopefoundation/z3c.checkversions/commit/ee969cdc00ffa15a1fb9d4d7454b2a7ec4cf3a96
  Author: Michael Howitz <mh at gocept.com>
  Date:   2018-10-20 (Sat, 20 Oct 2018)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Add missing package.



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