[Checkins] [zopefoundation/groktoolkit] ffed57: pick up grokcore.error

[GitHub]

  Branch: refs/heads/resurrection-python3
  Home:   https://github.com/zopefoundation/groktoolkit
  Commit: ffed5797ae2b6f46e68d89bb8cea37c7998a6dde
      https://github.com/zopefoundation/groktoolkit/commit/ffed5797ae2b6f46e68d89bb8cea37c7998a6dde
  Author: Jan-Wijbrand Kolman <jkolman at minddistrict.com>
  Date:   2018-01-16 (Tue, 16 Jan 2018)

  Changed paths:
    M grok.cfg

  Log Message:
  -----------
  pick up grokcore.error