From 80f4487d17a0040e9be35e7ee6ac478bafe6504a Mon Sep 17 00:00:00 2001
From: Alexander Schepanovski <suor.web@gmail.com>
Date: Thu, 19 Jun 2014 17:05:50 +0800
Subject: [PATCH] Fixed #22867 -- Memoized
 django.utils.version.get_git_changeset().

This improves pickling speed in prelease versions of Django; refs #21430.
---
 django/utils/version.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/django/utils/version.py b/django/utils/version.py
index c680dbdc4a..19486b7c6d 100644
--- a/django/utils/version.py
+++ b/django/utils/version.py
@@ -4,6 +4,8 @@ import datetime
 import os
 import subprocess
 
+from django.utils.lru_cache import lru_cache
+
 
 def get_version(version=None):
     "Returns a PEP 386-compliant version number from VERSION."
@@ -50,6 +52,7 @@ def get_complete_version(version=None):
     return version
 
 
+@lru_cache()
 def get_git_changeset():
     """Returns a numeric identifier of the latest git changeset.