[Checkins] [zopefoundation/ZODB] bb6e6c: isAlive -> is_alive. Fixes #263

[Jason Madden]

  Branch: refs/heads/issue263
  Home:   https://github.com/zopefoundation/ZODB
  Commit: bb6e6cb6ca70dabb9bbc1fae94df6596ccf116ab
      https://github.com/zopefoundation/ZODB/commit/bb6e6cb6ca70dabb9bbc1fae94df6596ccf116ab
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2019-05-07 (Tue, 07 May 2019)

  Changed paths:
    M src/ZODB/tests/MTStorage.py
    M src/ZODB/tests/PackableStorage.py
    M src/ZODB/tests/testCache.py

  Log Message:
  -----------
  isAlive -> is_alive. Fixes #263