From 1f3af1f5c24b121ca698668d6d8dab0e0e3fe61a Mon Sep 17 00:00:00 2001
From: Chris McDonough <chrism@plope.com>
Date: Sun, 4 Apr 2010 07:32:42 +0000
Subject: [PATCH] Meh.

---
 colander/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/colander/__init__.py b/colander/__init__.py
index 4cb5b0e..5f769b0 100644
--- a/colander/__init__.py
+++ b/colander/__init__.py
@@ -275,7 +275,7 @@ class Mapping(object):
         self.partial = partial
 
     def _set_unknown(self, value):
-        if not value in ['ignore', 'raise', 'preserve']:
+        if not value in ('ignore', 'raise', 'preserve'):
             raise ValueError(
                 'unknown attribute must be one of "ignore", "raise", '
                 'or "preserve"')