[Checkins] [zopefoundation/DocumentTemplate] 8d97fa: Update `isort` to version 5 (#56)

[Jürgen Gmach]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/DocumentTemplate
  Commit: 8d97fa88a871fcf8494b22e2974c2a35909ccf18
      https://github.com/zopefoundation/DocumentTemplate/commit/8d97fa88a871fcf8494b22e2974c2a35909ccf18
  Author: Jürgen Gmach <juergen.gmach at googlemail.com>
  Date:   2020-10-08 (Thu, 08 Oct 2020)

  Changed paths:
    M CHANGES.rst
    M setup.cfg
    M src/DocumentTemplate/DT_String.py
    M src/DocumentTemplate/_DocumentTemplate.py
    M src/DocumentTemplate/security.py
    M src/DocumentTemplate/tests/testDTML.py
    M src/DocumentTemplate/tests/test_DT_Raise.py
    M tox.ini

  Log Message:
  -----------
  Update `isort` to version 5 (#56)