Merge #67

67: Update pytest to 4.4.1 r=rehandalal a=pyup-bot


This PR updates [pytest](https://pypi.org/project/pytest) from **4.4.0** to **4.4.1**.



<details>
  <summary>Changelog</summary>
  
  
   ### 4.4.1
   ```
   =========================

Bug Fixes
---------

- `5031 &lt;https://github.com/pytest-dev/pytest/issues/5031&gt;`_: Environment variables are properly restored when using pytester&#39;s ``testdir`` fixture.


- `5039 &lt;https://github.com/pytest-dev/pytest/issues/5039&gt;`_: Fix regression with ``--pdbcls``, which stopped working with local modules in 4.0.0.


- `5092 &lt;https://github.com/pytest-dev/pytest/issues/5092&gt;`_: Produce a warning when unknown keywords are passed to ``pytest.param(...)``.


- `5098 &lt;https://github.com/pytest-dev/pytest/issues/5098&gt;`_: Invalidate import caches with ``monkeypatch.syspath_prepend``, which is required with namespace packages being used.
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/pytest
  - Changelog: https://pyup.io/changelogs/pytest/
  - Homepage: https://docs.pytest.org/en/latest/
</details>



Co-authored-by: pyup-bot <github-bot@pyup.io>

requirements-dev.txt

@@ -1,4 +1,4 @@
 -r requirements.txt
 flake8==3.7.7
-pytest==4.4.0
+pytest==4.4.1
 pytest-cov==2.6.1