From: Raymond Hettinger <python@rcn.com>
Date: Tue, 11 Jan 2011 22:08:55 +0000 (+0000)
Subject: Add comment.
X-Git-Tag: v3.2rc1~59
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=524359f9f7cf2cbd168bcc8464d05684b6774181;p=python

Add comment.
---

diff --git a/Lib/functools.py b/Lib/functools.py
index 1062a452e6..03de69ae16 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -141,7 +141,7 @@ def lru_cache(maxsize=100):
 
         hits = misses = 0
         kwd_mark = object()             # separates positional and keyword args
-        lock = Lock()
+        lock = Lock()                   # needed because ordereddicts aren't threadsafe
 
         if maxsize is None:
             cache = dict()              # simple cache without ordering or size limit