commit 576f132b986b5ee60e4b84d34a519a5edcd8c03e
author Serhiy Storchaka <storchaka@gmail.com> Tue Jan 05 21:27:54 2016 +0200
committer Serhiy Storchaka <storchaka@gmail.com> Tue Jan 05 21:27:54 2016 +0200
tree f048292ddc0b5c3d6a5afc50dc2cd4b28372c655
parent dcf76c9d0ab11f77eaa856ff0583c5c636ddb47d

Issue #20440: Cleaning up the code by using Py_SETREF.

Modules/readline.c

diff --git a/Modules/readline.c b/Modules/readline.c
index 939ff1a..6930415 100644
--- a/Modules/readline.c
+++ b/Modules/readline.c
@@ -321,10 +321,8 @@
         Py_CLEAR(*hook_var);
     }
     else if (PyCallable_Check(function)) {
-        PyObject *tmp = *hook_var;
         Py_INCREF(function);
-        *hook_var = function;
-        Py_XDECREF(tmp);
+        Py_SETREF(*hook_var, function);
     }
     else {
         PyErr_Format(PyExc_TypeError,