diff --git a/flake8.ini b/flake8.ini
index f8bff043558..32ced73dd7a 100644
--- a/flake8.ini
+++ b/flake8.ini
@@ -1,3 +1,3 @@
 [flake8]
-ignore = W391,F403,E221
+ignore = W391,F403,E221,F821
 max-line-length = 79