Update pytest-cov to 2.7.1

[pyup-bot]

This PR updates pytest-cov from 2.6.0 to 2.7.1.

Changelog

2.7.1

------------------

* Fixed source distribution manifest so that garbage ain't included in the tarball.

2.7.0

------------------

* Fixed ``AttributeError: 'NoneType' object has no attribute 'configure_node'`` error when ``--no-cov`` is used.
Contributed by Alexander Shadchin in `263 <https://github.com/pytest-dev/pytest-cov/pull/263>`_.
* Various testing and CI improvements. Contributed by Daniel Hahler in
`255 <https://github.com/pytest-dev/pytest-cov/pull/255>`_,
`266 <https://github.com/pytest-dev/pytest-cov/pull/266>`_,
`272 <https://github.com/pytest-dev/pytest-cov/pull/272>`_,
`271 <https://github.com/pytest-dev/pytest-cov/pull/271>`_ and
`269 <https://github.com/pytest-dev/pytest-cov/pull/269>`_.
* Improved documentation regarding subprocess and multiprocessing.
Contributed in `265 <https://github.com/pytest-dev/pytest-cov/pull/265>`_.
* Improved ``pytest_cov.embed.cleanup_on_sigterm`` to be reentrant (signal deliveries while signal handling is
running won't break stuff).
* Added ``pytest_cov.embed.cleanup_on_signal`` for customized cleanup.
* Improved cleanup code and fixed various issues with leftover data files. All contributed in
`265 <https://github.com/pytest-dev/pytest-cov/pull/265>`_ or
`262 <https://github.com/pytest-dev/pytest-cov/pull/262>`_.
* Improved examples. Now there are two examples for the common project layouts, complete with working coverage
configuration. The examples have CI testing. Contributed in
`267 <https://github.com/pytest-dev/pytest-cov/pull/267>`_.
* Improved help text for CLI options.

2.6.1

------------------

* Added support for Pytest 4.1. Contributed by Daniel Hahler and Семён Марьясин in
`253 <https://github.com/pytest-dev/pytest-cov/pull/253>`_ and
`230 <https://github.com/pytest-dev/pytest-cov/pull/230>`_.
* Various test and docs fixes. Contributed by Daniel Hahler in
`224 <https://github.com/pytest-dev/pytest-cov/pull/224>`_ and
`223 <https://github.com/pytest-dev/pytest-cov/pull/223>`_.
* Fixed the "Module already imported" issue (`211 <https://github.com/pytest-dev/pytest-cov/issues/211>`_).
Contributed by Daniel Hahler in `228 <https://github.com/pytest-dev/pytest-cov/pull/228>`_.

Links

• PyPI: https://pypi.org/project/pytest-cov
• Changelog: https://pyup.io/changelogs/pytest-cov/
• Repo: https://github.com/pytest-dev/pytest-cov