Update pytest to 3.7.4

[pyup-bot]

This PR updates pytest from 3.7.3 to 3.7.4.

Changelog

3.7.4

=========================

Bug Fixes
---------

- `3506 <https://github.com/pytest-dev/pytest/issues/3506>`_: Fix possible infinite recursion when writing ``.pyc`` files.


- `3853 <https://github.com/pytest-dev/pytest/issues/3853>`_: Cache plugin now obeys the ``-q`` flag when ``--last-failed`` and ``--failed-first`` flags are used.


- `3883 <https://github.com/pytest-dev/pytest/issues/3883>`_: Fix bad console output when using ``console_output_style=classic``.


- `3888 <https://github.com/pytest-dev/pytest/issues/3888>`_: Fix macOS specific code using ``capturemanager`` plugin in doctests.



Improved Documentation
----------------------

- `3902 <https://github.com/pytest-dev/pytest/issues/3902>`_: Fix pytest.org links

Links

• PyPI: https://pypi.org/project/pytest
• Changelog: https://pyup.io/changelogs/pytest/
• Homepage: https://docs.pytest.org/en/latest/