[Checkins] [zopefoundation/RestrictedPython] 500606: Add Python 3.8 Walrus-Operator to working Expressions

[Alexander Loechel]

  Branch: refs/heads/walrus
  Home:   https://github.com/zopefoundation/RestrictedPython
  Commit: 5006067a141bf1cbed45319624917a7b39c280fa
      https://github.com/zopefoundation/RestrictedPython/commit/5006067a141bf1cbed45319624917a7b39c280fa
  Author: Alexander Loechel <Alexander.Loechel at lmu.de>
  Date:   2019-09-03 (Tue, 03 Sep 2019)

  Changed paths:
    M src/RestrictedPython/transformer.py
    A tests/transformer/test_walrus_operator.py

  Log Message:
  -----------
  Add Python 3.8 Walrus-Operator to working Expressions