[Checkins] [zopefoundation/transaction] 34ca8f: avoid empty name in "note"

[Dieter Maurer]

  Branch: refs/heads/fix_tm_run#58
  Home:   https://github.com/zopefoundation/transaction
  Commit: 34ca8fac4e6d8d37d92291370e5813806e8dc742
      https://github.com/zopefoundation/transaction/commit/34ca8fac4e6d8d37d92291370e5813806e8dc742
  Author: dieter <dieter at handshake.de>
  Date:   2019-04-30 (Tue, 30 Apr 2019)

  Changed paths:
    M transaction/_manager.py

  Log Message:
  -----------
  avoid empty name in "note"