diff --git a/tox.ini b/tox.ini
index df90f16..46e8364 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,6 @@
 [flake8]
 max-line-length = 100
+ignore = E722, E241, W504
 exclude = .tox,docs/modeltranslation/conf.py
 
 [tox]