--- a/flake8-ok-files.txt	Thu Mar 14 14:38:55 2019 +0100
+++ b/flake8-ok-files.txt	Wed Mar 13 13:36:38 2019 +0100
@@ -113,6 +113,7 @@
 cubicweb/test/unittest_wfutils.py
 cubicweb/toolsutils.py
 cubicweb/web/application.py
+cubicweb/web/box.py
 cubicweb/web/formwidgets.py
 cubicweb/web/test/data/entities.py
 cubicweb/web/test/unittest_application.py