[Checkins] [zopefoundation/AccessControl] f6280d: Fix linting issues (#100)

[Jürgen Gmach]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/AccessControl
  Commit: f6280d6ed9204462279c2ac94c5e0d9b79769997
      https://github.com/zopefoundation/AccessControl/commit/f6280d6ed9204462279c2ac94c5e0d9b79769997
  Author: Jürgen Gmach <juergen.gmach at googlemail.com>
  Date:   2020-05-15 (Fri, 15 May 2020)

  Changed paths:
    M src/AccessControl/tests/test_safe_formatter.py

  Log Message:
  -----------
  Fix linting issues (#100)

... which arise from new flake8 version.

modified:   src/AccessControl/tests/test_safe_formatter.py