[Checkins] [zopefoundation/DocumentTemplate] 2ebe5a: Restore `diff` flag as requested

[Jürgen Gmach]

  Branch: refs/heads/fix-flake8
  Home:   https://github.com/zopefoundation/DocumentTemplate
  Commit: 2ebe5a04a50ba66165665431a791d177b1d87625
      https://github.com/zopefoundation/DocumentTemplate/commit/2ebe5a04a50ba66165665431a791d177b1d87625
  Author: Jürgen Gmach <juergen.gmach at googlemail.com>
  Date:   2020-10-08 (Thu, 08 Oct 2020)

  Changed paths:
    M tox.ini

  Log Message:
  -----------
  Restore `diff` flag as requested

modified:   tox.ini