From 0fb88f7c51cca016e6210e8058b5d5d271f79989 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Sun, 20 Jul 2014 13:04:11 -0700
Subject: [PATCH] correct ref counting of default_action (closes #22017)

---
 Misc/NEWS          | 3 +++
 Python/_warnings.c | 1 +
 2 files changed, 4 insertions(+)

diff --git a/Misc/NEWS b/Misc/NEWS
index d2fc3e2938..efad9ea241 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -13,6 +13,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #22017: Correct reference counting errror in the initialization of the
+  _warnings module.
+
 - Issue 21044: tarfile.open() now handles fileobj with an integer 'name'
   attribute.  Based on patch by Martin Panter.
 
diff --git a/Python/_warnings.c b/Python/_warnings.c
index 445ff6ba9e..92d6547a7c 100644
--- a/Python/_warnings.c
+++ b/Python/_warnings.c
@@ -905,6 +905,7 @@ _PyWarnings_Init(void)
     _default_action = PyString_FromString("default");
     if (_default_action == NULL)
         return;
+    Py_INCREF(_default_action);
     if (PyModule_AddObject(m, "default_action", _default_action) < 0)
         return;
 }
-- 
2.50.1