From: Benjamin Peterson <benjamin@python.org>
Date: Sat, 21 Aug 2010 02:43:31 +0000 (+0000)
Subject: use blank object instead
X-Git-Tag: v3.2a2~191
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bf6f31b65fa0947c97276b0007adc3276040c706;p=python

use blank object instead
---

diff --git a/Lib/hmac.py b/Lib/hmac.py
index 4bbdbc4778..5572751f6e 100644
--- a/Lib/hmac.py
+++ b/Lib/hmac.py
@@ -15,7 +15,7 @@ digest_size = None
 # A unique object passed by HMAC.copy() to the HMAC constructor, in order
 # that the latter return very quickly.  HMAC("") in contrast is quite
 # expensive.
-_secret_backdoor_key = []
+_secret_backdoor_key = object()
 
 class HMAC:
     """RFC 2104 HMAC class.  Also complies with RFC 4231.