[Checkins] [zopefoundation/zope.index] 47affc: Fix tests by using an older BTrees version.

[GitHub]

  Branch: refs/heads/icemac-patch-1
  Home:   https://github.com/zopefoundation/zope.index
  Commit: 47affccb74b241533f9d65d4b72e53ff3f7b152a
      https://github.com/zopefoundation/zope.index/commit/47affccb74b241533f9d65d4b72e53ff3f7b152a
  Author: Michael Howitz <mh at gocept.com>
  Date:   2017-03-24 (Fri, 24 Mar 2017)

  Changed paths:
    M setup.py

  Log Message:
  -----------
  Fix tests by using an older BTrees version.