From 668c4457e1313a63c49dcf0209d9188c8eb487d1 Mon Sep 17 00:00:00 2001
From: Alex Gaynor <alex.gaynor@gmail.com>
Date: Sat, 10 Aug 2013 16:11:10 -0400
Subject: 2.6 compat

---
 cryptography/primitives/block/ciphers.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cryptography/primitives/block/ciphers.py b/cryptography/primitives/block/ciphers.py
index 2bf936ee..26f9a8e5 100644
--- a/cryptography/primitives/block/ciphers.py
+++ b/cryptography/primitives/block/ciphers.py
@@ -14,7 +14,7 @@
 
 class AES(object):
     name = "AES"
-    key_sizes = {128, 192, 256}
+    key_sizes = set([128, 192, 256])
 
     def __init__(self, key):
         super(AES, self).__init__()
-- 
cgit v1.2.3