[Checkins] [zopefoundation/BTrees] b8baf4: use setuptools 40.0.0

[GitHub]

  Branch: refs/heads/py37_diagnose
  Home:   https://github.com/zopefoundation/BTrees
  Commit: b8baf490d3b1a840afe037c9136decf610281765
      https://github.com/zopefoundation/BTrees/commit/b8baf490d3b1a840afe037c9136decf610281765
  Author: Forest Gregg <fgregg at uchicago.edu>
  Date:   2018-09-12 (Wed, 12 Sep 2018)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  use setuptools 40.0.0



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