[Checkins] [zopefoundation/ZODB] 98dc5f: Use weakref.WeakSet rather than transaction.weakse...

[Julien Muchembled]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/ZODB
  Commit: 98dc5f1ea0ac87205a4b545400de2049994511c7
      https://github.com/zopefoundation/ZODB/commit/98dc5f1ea0ac87205a4b545400de2049994511c7
  Author: Julien Muchembled <jm at nexedi.com>
  Date:   2019-09-23 (Mon, 23 Sep 2019)

  Changed paths:
    M src/ZODB/DB.py

  Log Message:
  -----------
  Use weakref.WeakSet rather than transaction.weakset.WeakSet