Update pytest to 5.2.4

[pyup-bot]

This PR updates pytest from 5.2.2 to 5.2.4.

Changelog

5.2.4

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

Bug Fixes
---------

- `6194 <https://github.com/pytest-dev/pytest/issues/6194>`_: Fix incorrect discovery of non-test ``__init__.py`` files.


- `6197 <https://github.com/pytest-dev/pytest/issues/6197>`_: Revert "The first test in a package (``__init__.py``) marked with ``pytest.mark.skip`` is now correctly skipped.".

5.2.3

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

Bug Fixes
---------

- `5830 <https://github.com/pytest-dev/pytest/issues/5830>`_: The first test in a package (``__init__.py``) marked with ``pytest.mark.skip`` is now correctly skipped.


- `6099 <https://github.com/pytest-dev/pytest/issues/6099>`_: Fix ``--trace`` when used with parametrized functions.


- `6183 <https://github.com/pytest-dev/pytest/issues/6183>`_: Using ``request`` as a parameter name in ``pytest.mark.parametrize`` now produces a more
user-friendly error.

Links

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

[pyup-bot]

Closing this in favor of #97