[Checkins] [zopefoundation/DocumentTemplate] 54217c: Update `isort` to version 5 (#56)

[Jens Vagelpohl]

  Branch: refs/heads/3.x
  Home:   https://github.com/zopefoundation/DocumentTemplate
  Commit: 54217c15a84f0f618503ab4875c07a0042123e02
      https://github.com/zopefoundation/DocumentTemplate/commit/54217c15a84f0f618503ab4875c07a0042123e02
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2020-10-27 (Tue, 27 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)