diff --git a/ironic/api/controllers/v1/__init__.py b/ironic/api/controllers/v1/__init__.py
index 493be13c7f..cda8e41b87 100644
--- a/ironic/api/controllers/v1/__init__.py
+++ b/ironic/api/controllers/v1/__init__.py
@@ -179,4 +179,4 @@ class Controller(rest.RestController):
         return super(Controller, self)._route(args)
 
 
-__all__ = (Controller)
+__all__ = ('Controller',)
diff --git a/ironic/api/middleware/__init__.py b/ironic/api/middleware/__init__.py
index 609b4ed986..385547d70d 100644
--- a/ironic/api/middleware/__init__.py
+++ b/ironic/api/middleware/__init__.py
@@ -19,5 +19,5 @@ from ironic.api.middleware import parsable_error
 ParsableErrorMiddleware = parsable_error.ParsableErrorMiddleware
 AuthTokenMiddleware = auth_token.AuthTokenMiddleware
 
-__all__ = (ParsableErrorMiddleware,
-           AuthTokenMiddleware)
+__all__ = ('ParsableErrorMiddleware',
+           'AuthTokenMiddleware')