[Checkins] [zopefoundation/DocumentTemplate] 4ff3d6: Flake8 the code. (#41)

[Michael Howitz]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/DocumentTemplate
  Commit: 4ff3d6e91d933794306a915ef6088ed7d724989b
      https://github.com/zopefoundation/DocumentTemplate/commit/4ff3d6e91d933794306a915ef6088ed7d724989b
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-02-28 (Thu, 28 Feb 2019)

  Changed paths:
    M .travis.yml
    M setup.cfg
    M src/DocumentTemplate/tests/test_DT_In.py
    M src/DocumentTemplate/tests/test_DT_Try.py
    M tox.ini

  Log Message:
  -----------
  Flake8 the code. (#41)

Plus Flake8 only once and put config to setup.cfg.