[Checkins] [zopefoundation/zope.dublincore] d3042f: Ease the code as suggested in CR.

[Michael Howitz]

  Branch: refs/heads/fix-browser-package
  Home:   https://github.com/zopefoundation/zope.dublincore
  Commit: d3042f7eda13b7c7212c893536da18ab8197cf6c
      https://github.com/zopefoundation/zope.dublincore/commit/d3042f7eda13b7c7212c893536da18ab8197cf6c
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-10-12 (Mon, 12 Oct 2020)

  Changed paths:
    M src/zope/dublincore/browser/metadataedit.py

  Log Message:
  -----------
  Ease the code as suggested in CR.