Merge pull request #86 from pytest-dev/pyup-update-pytest-5.3.1-to-5.3.2

Update pytest to 5.3.2

requirements_dev.txt

@@ -8,6 +8,6 @@ coverage==4.5.4
 Sphinx==2.2.2
 twine==3.1.1
 mock==3.0.5
-pytest==5.3.1
+pytest==5.3.2
 pytest-runner==5.2