Merge #22 #23

22: Update astroid to 2.4.2 r=aragilar a=pyup-bot


This PR updates [astroid](https://pypi.org/project/astroid) from **2.4.1** to **2.4.2**.



<details>
  <summary>Changelog</summary>
  
  
   ### 2.4.2
   ```
   ============================
Release Date: TBA

* `FunctionDef.is_generator` properly handles `yield` nodes in `While` tests

  Close PyCQA/pylint3519

* Properly construct the arguments of infered property descriptors

  Close PyCQA/pylint3648
   ```
   
  
</details>


 

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



23: Update pytest to 5.4.3 r=aragilar a=pyup-bot


This PR updates [pytest](https://pypi.org/project/pytest) from **5.4.2** to **5.4.3**.



*The bot wasn't able to find a changelog for this release. [Got an idea?](https://github.com/pyupio/changelogs/issues/new)*

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



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

pylint-requirements.txt

@@ -1,2 +1,2 @@
-astroid==2.4.1
+astroid==2.4.2
 pylint==2.5.3

test-requirements.txt

@@ -1,2 +1,2 @@
-pytest==5.4.2
+pytest==5.4.3
 pytest-cov==2.10.0