[Checkins] [zopefoundation/Zope] 283b57: retry to make `flake8` happy

[Dieter Maurer]

  Branch: refs/heads/issue717-pttales-4.x
  Home:   https://github.com/zopefoundation/Zope
  Commit: 283b57e7fc35d3fd4007124a229e2ae9a9c95b2f
      https://github.com/zopefoundation/Zope/commit/283b57e7fc35d3fd4007124a229e2ae9a9c95b2f
  Author: dieter <dieter at handshake.de>
  Date:   2020-03-18 (Wed, 18 Mar 2020)

  Changed paths:
    M src/Products/PageTemplates/engine.py

  Log Message:
  -----------
  retry to make `flake8` happy