diff --git a/setup.cfg b/setup.cfg
index 8662b34f3fc..837e79e0c0a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -5,4 +5,5 @@
 # 203 whitespace before ':'
 # 402 module level import not at top of file # TODO, we would like to improve this.
 # 501 is line length
-ignore = E128,E201,E202,E203,E501,E402
+# E731 is inline assigned lambdas -- #TODO this should be revisited to see if we want to change our usage.
+ignore = E128,E201,E202,E203,E501,E402,E731