Update pytest-cov to 2.7.1

[pyup-bot]

This PR updates pytest-cov from 2.5.1 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>`_. ``` ### 2.6.0 ``` ------------------ * Dropped support for Python < 3.4, Pytest < 3.5 and Coverage < 4.4. * Fixed some documentation formatting. Contributed by Jean Jordaan and Julian. * Added an example with ``addopts`` in documentation. Contributed by Samuel Giffard in `195 <https://github.com/pytest-dev/pytest-cov/pull/195>`_. * Fixed ``TypeError: 'NoneType' object is not iterable`` in certain xdist configurations. Contributed by Jeremy Bowman in `213 <https://github.com/pytest-dev/pytest-cov/pull/213>`_. * Added a ``no_cover`` marker and fixture. Fixes `78 <https://github.com/pytest-dev/pytest-cov/issues/78>`_. * Fixed broken ``no_cover`` check when running doctests. Contributed by Terence Honles in `200 <https://github.com/pytest-dev/pytest-cov/pull/200>`_. * Fixed various issues with path normalization in reports (when combining coverage data from parallel mode). Fixes `130 <https://github.com/pytest-dev/pytest-cov/issues/161>`_. Contributed by Ryan Hiebert & Ionel Cristian Mărieș in `178 <https://github.com/pytest-dev/pytest-cov/pull/178>`_. * Report generation failures don't raise exceptions anymore. A warning will be logged instead. Fixes `161 <https://github.com/pytest-dev/pytest-cov/issues/161>`_. * Fixed multiprocessing issue on Windows (empty env vars are not passed). Fixes `165 <https://github.com/pytest-dev/pytest-cov/issues/165>`_. ```

Links

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