diff --git a/tox.ini b/tox.ini
index 93999c6..9feb228 100644
--- a/tox.ini
+++ b/tox.ini
@@ -29,8 +29,8 @@ commands = {posargs}
 [flake8]
 exclude = .venv,.tox,dist,doc,*.egg
 show-source = true
-# E123, E125, and H ignored intentionally in this code-base
-ignore = E123,E125,H
+# E123, E125, E129 and H ignored intentionally in this code-base
+ignore = E123,E125,E129,H
 
 [testenv:docs]
 commands = python setup.py build_sphinx