[Checkins] [zopefoundation/zope.browser] 125cca: Fix linting errors.

[Michael Howitz]

  Branch: refs/heads/config-with-pure-python
  Home:   https://github.com/zopefoundation/zope.browser
  Commit: 125cca73cdae0ab957df672fc30c5ee7f2302141
      https://github.com/zopefoundation/zope.browser/commit/125cca73cdae0ab957df672fc30c5ee7f2302141
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-05-15 (Fri, 15 May 2020)

  Changed paths:
    M setup.py
    M src/zope/__init__.py
    M src/zope/browser/interfaces.py
    M src/zope/browser/tests.py

  Log Message:
  -----------
  Fix linting errors.