diff --git a/tox.ini b/tox.ini
index 6c6da4e..c46b78a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -38,4 +38,5 @@ commands =
 
 [flake8]
 ignore =
-    E731
+    E731,  ; do not assign a lambda expression, use a def
+    W503  ; line break before binary operator