Merge pull request #942 from adamtheturtle/pyup-update-pytest-4.0.2-to-4.1.0

Update pytest to 4.1.0

Author: adamtheturtle

dev-requirements.txt

@@ -17,7 +17,7 @@ Pygments==2.3.1
 pylint==2.2.2  # Lint
 pyroma==2.4  # Packaging best practices checker
 pytest-cov==2.6.1  # Measure code coverage
-pytest==4.0.2  # Test runners
+pytest==4.1.0  # Test runners
 PyYAML==3.13
 Sphinx==1.8.3
 sphinx-autodoc-typehints==1.6.0