diff --git a/IPython/terminal/pt_inputhooks/osx.py b/IPython/terminal/pt_inputhooks/osx.py
index d0fc861..a3131ee 100644
--- a/IPython/terminal/pt_inputhooks/osx.py
+++ b/IPython/terminal/pt_inputhooks/osx.py
@@ -94,7 +94,8 @@ def _wake(NSApp):
         void_p,
         void_p,
         void_p,
-        void_p]
+        void_p,
+    ]
     event = msg(
         C("NSEvent"),
         n(