[Checkins] [zopefoundation/Zope] 2c8c48: Grep for `PY3` and drop Python 2 support. (#700)

[Michael Howitz]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: 2c8c48b2de9d6b307a169d4057c249da2a4de4c4
      https://github.com/zopefoundation/Zope/commit/2c8c48b2de9d6b307a169d4057c249da2a4de4c4
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-09-12 (Thu, 12 Sep 2019)

  Changed paths:
    M src/OFS/DTMLMethod.py
    M src/OFS/FindSupport.py
    M src/OFS/tests/testFileAndImage.py
    M src/OFS/tests/testSimpleItem.py
    M src/Products/PageTemplates/tests/test_pagetemplate.py
    M src/Products/PageTemplates/tests/util.py
    M src/ZPublisher/HTTPRequest.py
    M src/ZPublisher/WSGIPublisher.py
    M src/ZPublisher/tests/test_Converters.py
    M src/ZPublisher/utils.py

  Log Message:
  -----------
  Grep for `PY3` and drop Python 2 support. (#700)