1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 8f01bf2e..b309f3c0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -47,4 +47,4 @@ commands = flake8 .
 
 [flake8]
 exclude = .tox,*.egg
-select = E,W,F
+select = E,W,F,N