[Checkins] [zopefoundation/AuthEncoding] 2127a3: Drop Python 2 support.

[Michael Howitz]

  Branch: refs/heads/update-python-versions
  Home:   https://github.com/zopefoundation/AuthEncoding
  Commit: 2127a3a85a3be5cf7706bebedca76c0db9419f57
      https://github.com/zopefoundation/AuthEncoding/commit/2127a3a85a3be5cf7706bebedca76c0db9419f57
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-09-28 (Mon, 28 Sep 2020)

  Changed paths:
    M CHANGES.txt
    M src/AuthEncoding/AuthEncoding.py
    R src/AuthEncoding/compat.py
    M src/AuthEncoding/tests/test_AuthEncoding.py
    M tox.ini

  Log Message:
  -----------
  Drop Python 2 support.