1 files changed, 2 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index b2b2865..27170de 100644
--- a/tox.ini
+++ b/tox.ini
@@ -74,7 +74,8 @@ commands =
   sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [flake8]
-ignore = F403,F812,F821
+# E731 skipped as assign a lambda expression
+ignore = E731,F403,F812,F821
 show-source = True
 exclude = .venv*,.tox,dist,*egg,build,.git,doc,*lib/python*,.update-venv