[requires.io] dependency update

requires · pgjones · commit 2d53afb84e91 · 2019-01-31T09:03:38.000Z
diff --git a/tox.ini b/tox.ini
@@ -18,5 +18,5 @@ commands =
 
 [testenv:lint]
 basepython=python3.7
-deps = flake8==3.7.2
+deps = flake8==3.7.3
 commands = flake8 --max-complexity 10 hyperframe test
