From 8de6f18b9dfd105d3be3ede1b5167ad34535d541 Mon Sep 17 00:00:00 2001
From: Armin Ronacher <armin.ronacher@active-4.com>
Date: Mon, 12 Jan 2009 11:08:26 +0100
Subject: [PATCH] Fixed a threading issue with the LRUCache.  Still not sure if
 I should release a Jinja 2.1.2 for that.

--HG--
branch : trunk
---
 jinja2/utils.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/jinja2/utils.py b/jinja2/utils.py
index 5e31779..1ae38e0 100644
--- a/jinja2/utils.py
+++ b/jinja2/utils.py
@@ -589,7 +589,13 @@ class LRUCache(object):
         """
         rv = self._mapping[key]
         if self._queue[-1] != key:
-            self._remove(key)
+            try:
+                self._remove(key)
+            except:
+                # if something removed the key from the container
+                # when we read, ignore the ValueError that we would
+                # get otherwise.
+                pass
             self._append(key)
         return rv
 
-- 
2.26.2