Merge pull request #48 from belbio/dependabot/pip/pytest-mypy-0.3.1

Bump pytest-mypy from 0.3.0 to 0.3.1

requirements.txt

@@ -7,7 +7,7 @@ pytest==3.5.1
 pytest-cache==1.0
 pytest-cov==2.5.1
 pytest-flakes==2.0.0
-pytest-mypy==0.3.0
+pytest-mypy==0.3.1
 pytest-pep8==1.0.6
 pytest-sugar==0.9.1
 python_arango==3.12.1