[Checkins] [zopefoundation/zope.site] 4815f6: Adjust to change suggested by @jamadden.

[Michael Howitz]

  Branch: refs/heads/issue-1/fix-delete-site
  Home:   https://github.com/zopefoundation/zope.site
  Commit: 4815f6fe9b15970e288f98ac7accd481b8613d86
      https://github.com/zopefoundation/zope.site/commit/4815f6fe9b15970e288f98ac7accd481b8613d86
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-09-09 (Wed, 09 Sep 2020)

  Changed paths:
    M src/zope/site/site.py

  Log Message:
  -----------
  Adjust to change suggested by @jamadden.