Fix a leak of a reference on None.
diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c
index 51f4c38..7847d39 100644
--- a/Modules/_cursesmodule.c
+++ b/Modules/_cursesmodule.c
@@ -2284,9 +2284,7 @@
 
   if (!PyArg_ParseTuple(args,"i;fd",&fd)) return NULL;
 
-  PyCursesCheckERR(typeahead( fd ), "typeahead");
-  Py_INCREF(Py_None);
-  return Py_None;
+  return PyCursesCheckERR(typeahead( fd ), "typeahead");
 }
 
 static PyObject *