Update pytest to 4.1.1

[pyup-bot]

This PR updates pytest from 4.1.0 to 4.1.1.

Changelog

4.1.1

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

Bug Fixes
---------

- `2256 <https://github.com/pytest-dev/pytest/issues/2256>`_: Show full repr with ``assert a==b`` and ``-vv``.


- `3456 <https://github.com/pytest-dev/pytest/issues/3456>`_: Extend Doctest-modules to ignore mock objects.


- `4617 <https://github.com/pytest-dev/pytest/issues/4617>`_: Fixed ``pytest.warns`` bug when context manager is reused (e.g. multiple parametrization).


- `4631 <https://github.com/pytest-dev/pytest/issues/4631>`_: Don't rewrite assertion when ``__getattr__`` is broken



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

- `3375 <https://github.com/pytest-dev/pytest/issues/3375>`_: Document that using ``setup.cfg`` may crash other tools or cause hard to track down problems because it uses a different parser than ``pytest.ini`` or ``tox.ini`` files.



Trivial/Internal Changes
------------------------

- `4602 <https://github.com/pytest-dev/pytest/issues/4602>`_: Uninstall ``hypothesis`` in regen tox env.

Links

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

[codecov]

Codecov Report

Merging #557 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master    #557   +/-   ##
======================================
  Coverage    95.6%   95.6%           
======================================
  Files          55      55           
  Lines        2843    2843           
======================================
  Hits         2718    2718           
  Misses        125     125

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