1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index 3da0118..49e9b1d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -26,7 +26,7 @@ commands = {posargs}
 # E123, E125 skipped as they are invalid PEP-8.
 
 show-source = True
-ignore = E123,E125,E402,W503
+ignore = E123,E125,E402,W503,W504
 max-line-length = 160
 builtins = _
 exclude = .git,.tox,tests/unit/compat/