[Checkins] [zopefoundation/ZODB] e06b62: Define _modified at class level

[GitHub]

  Branch: refs/heads/MVCCAdapter
  Home:   https://github.com/zopefoundation/ZODB
  Commit: e06b62e803282e03350bd7e1f4df7946e0455a5a
      https://github.com/zopefoundation/ZODB/commit/e06b62e803282e03350bd7e1f4df7946e0455a5a
  Author: Jim Fulton <jim at zope.com>
  Date:   2016-06-15 (Wed, 15 Jun 2016)

  Changed paths:
    M src/ZODB/mvccadapter.py

  Log Message:
  -----------
  Define _modified at class level

Hopefully, this will make linters happier.