[Checkins] [zopefoundation/Products.ZopeVersionControl] 4567d0: Fix python2 StringIO import.

[GitHub]

  Branch: refs/heads/py3_imports
  Home:   https://github.com/zopefoundation/Products.ZopeVersionControl
  Commit: 4567d084b3513f429bc6c97cfbce1344ac2577af
      https://github.com/zopefoundation/Products.ZopeVersionControl/commit/4567d084b3513f429bc6c97cfbce1344ac2577af
  Author: Ruda Porto Filgueiras <rudazz at gmail.com>
  Date:   2017-10-21 (Sat, 21 Oct 2017)

  Changed paths:
    M src/Products/ZopeVersionControl/tests/common.py

  Log Message:
  -----------
  Fix python2 StringIO import.