[requires.io] dependency update

requires · requires · commit 8c7fe618ea78 · 2018-04-14T02:51:20.000+02:00
diff --git a/requirements-test.txt b/requirements-test.txt
@@ -5,4 +5,4 @@ flake8==3.5.0
 pep257==0.7.0
 doc8==0.8.0
 Pygments==2.2.0
-mypy==0.580
+mypy==0.590
