[Checkins] [zopefoundation/Zope] 2c7a9e: - fix lint issue

[Jens Vagelpohl]

  Branch: refs/heads/issue_846_2
  Home:   https://github.com/zopefoundation/Zope
  Commit: 2c7a9ee32a8a97cb08e387b6dc95faad0e6ef8a3
      https://github.com/zopefoundation/Zope/commit/2c7a9ee32a8a97cb08e387b6dc95faad0e6ef8a3
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2020-06-26 (Fri, 26 Jun 2020)

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

  Log Message:
  -----------
  - fix lint issue