From 57caede4705f5e3121f9f90435009ef8e7269a98 Mon Sep 17 00:00:00 2001
From: Alexander Belopolsky <alexander.belopolsky@gmail.com>
Date: Thu, 20 Sep 2012 17:23:46 -0400
Subject: [PATCH] Issue #15973: fixed 3.2 backport.

---
 Modules/_datetimemodule.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index 444cc00d2c5..ef2f7b306a0 100644
--- a/Modules/_datetimemodule.c
+++ b/Modules/_datetimemodule.c
@@ -3243,8 +3243,10 @@ static PyObject *
 timezone_richcompare(PyDateTime_TimeZone *self,
                      PyDateTime_TimeZone *other, int op)
 {
-    if (op != Py_EQ && op != Py_NE)
-        Py_RETURN_NOTIMPLEMENTED;
+    if (op != Py_EQ && op != Py_NE) {
+        Py_INCREF(Py_NotImplemented);
+        return Py_NotImplemented;
+    }
     if (Py_TYPE(other) != &PyDateTime_TimeZoneType) {
 	if (op == Py_EQ)
 	    Py_RETURN_FALSE;