[Checkins] [zopefoundation/Zope] 7f256d: fixed Python 3 incompatibilty

[Dieter Maurer]

  Branch: refs/heads/chameleon_zope_context_wrapping
  Home:   https://github.com/zopefoundation/Zope
  Commit: 7f256df687a166a9e594091b886f33731044230c
      https://github.com/zopefoundation/Zope/commit/7f256df687a166a9e594091b886f33731044230c
  Author: dieter <dieter at handshake.de>
  Date:   2020-07-10 (Fri, 10 Jul 2020)

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

  Log Message:
  -----------
  fixed Python 3 incompatibilty