Update pytest to 5.3.1

[pyup-bot]

This PR updates pytest from 5.3.0 to 5.3.1.

Changelog

5.3.1

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

Improvements
------------

- `6231 <https://github.com/pytest-dev/pytest/issues/6231>`_: Improve check for misspelling of ``pytest.mark.parametrize``.


- `6257 <https://github.com/pytest-dev/pytest/issues/6257>`_: Handle `exit.Exception` raised in `notify_exception` (via `pytest_internalerror`), e.g. when quitting pdb from post mortem.



Bug Fixes
---------

- `5914 <https://github.com/pytest-dev/pytest/issues/5914>`_: pytester: fix ``no_fnmatch_line`` when used after positive matching.


- `6082 <https://github.com/pytest-dev/pytest/issues/6082>`_: Fix line detection for doctest samples inside ``property`` docstrings, as a workaround to `bpo-17446 <https://bugs.python.org/issue17446>`__.


- `6254 <https://github.com/pytest-dev/pytest/issues/6254>`_: Fix compatibility with pytest-parallel (regression in pytest 5.3.0).


- `6255 <https://github.com/pytest-dev/pytest/issues/6255>`_: Clear the ``sys.last_traceback``, ``sys.last_type`` and ``sys.last_value``
attributes by deleting them instead of setting them to ``None``. This better
matches the behaviour of the Python standard library.

Links

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

[codecov]

Codecov Report

Merging #742 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #742   +/-   ##
=======================================
  Coverage   97.08%   97.08%           
=======================================
  Files          54       54           
  Lines        2742     2742           
=======================================
  Hits         2662     2662           
  Misses         80       80

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