Merge #68

68: Update pytest-cov to 2.7.1 r=rehandalal a=pyup-bot


This PR updates [pytest-cov](https://pypi.org/project/pytest-cov) from **2.6.1** to **2.7.1**.



<details>
  <summary>Changelog</summary>
  
  
   ### 2.7.1
   ```
   ------------------

* Fixed source distribution manifest so that garbage ain&#39;t included in the tarball.
   ```
   
  
  
   ### 2.7.0
   ```
   ------------------

* Fixed ``AttributeError: &#39;NoneType&#39; object has no attribute &#39;configure_node&#39;`` error when ``--no-cov`` is used.
  Contributed by Alexander Shadchin in `263 &lt;https://github.com/pytest-dev/pytest-cov/pull/263&gt;`_.
* Various testing and CI improvements. Contributed by Daniel Hahler in
  `255 &lt;https://github.com/pytest-dev/pytest-cov/pull/255&gt;`_,
  `266 &lt;https://github.com/pytest-dev/pytest-cov/pull/266&gt;`_,
  `272 &lt;https://github.com/pytest-dev/pytest-cov/pull/272&gt;`_,
  `271 &lt;https://github.com/pytest-dev/pytest-cov/pull/271&gt;`_ and
  `269 &lt;https://github.com/pytest-dev/pytest-cov/pull/269&gt;`_.
* Improved documentation regarding subprocess and multiprocessing.
  Contributed in `265 &lt;https://github.com/pytest-dev/pytest-cov/pull/265&gt;`_.
* Improved ``pytest_cov.embed.cleanup_on_sigterm`` to be reentrant (signal deliveries while signal handling is
  running won&#39;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 &lt;https://github.com/pytest-dev/pytest-cov/pull/265&gt;`_ or
  `262 &lt;https://github.com/pytest-dev/pytest-cov/pull/262&gt;`_.
* 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 &lt;https://github.com/pytest-dev/pytest-cov/pull/267&gt;`_.
* Improved help text for CLI options.
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/pytest-cov
  - Changelog: https://pyup.io/changelogs/pytest-cov/
  - Repo: https://github.com/pytest-dev/pytest-cov
</details>



Co-authored-by: pyup-bot <[email protected]>

requirements-dev.txt

@@ -1,4 +1,4 @@
 -r requirements.txt
 flake8==3.7.7
 pytest==4.4.1
-pytest-cov==2.6.1
+pytest-cov==2.7.1