2.4.1 - 2015-05-18
------------------

- **Bug** Do not raise a ``SystemError`` unless there were errors in the
  setuptools command. (`GitLab#39`_, `GitLab!23`_)

- **Bug** Do not verify dependencies of extensions loaded via entry-points.

- **Improvement** Blacklist versions of pep8 we know are broken

.. _GitLab#39: https://gitlab.com/pycqa/flake8/issues/39
.. _GitLab!23: https://gitlab.com/pycqa/flake8/merge_requests/23