diff --git a/tox.ini b/tox.ini
index add92a2..0655e65 100644
--- a/tox.ini
+++ b/tox.ini
@@ -133,7 +133,7 @@ max-public-methods = 20
 max-bool-expr = 5
 max-nested-blocks = 6
 max-line-length = 80
-ignore-long-lines = ^\s*(#\s+type:\s+.*|[A-Z0-9_]+\s+=\s+.*|('.*':\s+)?\[.*\],?)$
+ignore-long-lines = ^\s*(#\s+type:\s+.*|[A-Z0-9_]+\s+=\s+.*|('.*':\s+)?\[.*\],?|assert\s+.*)$
 max-module-lines = 2500
 
 [flake8]