From 85026f39e376b0f64436e4d276ca49f277fb3067 Mon Sep 17 00:00:00 2001
From: MatthieuDartiailh <marul@laposte.net>
Date: Mon, 27 Jul 2020 21:09:57 -0400
Subject: [PATCH] mypy: use strict optional

---
 setup.cfg | 1 +
 1 file changed, 1 insertion(+)

diff --git a/setup.cfg b/setup.cfg
index 37d5a80e..26b4a9ba 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -72,6 +72,7 @@ per-file-ignores =
 
 [mypy]
 follow_imports = normal
+strict_optional = True
 
 [mypy-usb.*]
 ignore_missing_imports = True