diff --git a/tox.ini b/tox.ini
index bc3b807d27..41aa87ea0b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -126,7 +126,7 @@ commands = alembic -c manila/db/migrations/alembic.ini revision -m ""{posargs}
 
 [flake8]
 # Following checks are ignored on purpose:
-ignore = 
+ignore =
 builtins = _
 # [H106] Don't put vim configuration in source files.
 # [H203] Use assertIs(Not)None to check for None.