From ab688e7a1befb4a0d1fbb3c9b49cbb19c8d2276c Mon Sep 17 00:00:00 2001
From: =?utf8?q?William=20Tis=C3=A4ter?= <william@defunct.cc>
Date: Tue, 8 Jul 2014 15:52:25 +0200
Subject: [PATCH] Catch `binascii.a2b_hex` errors on Python 3

---
 tornado/web.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tornado/web.py b/tornado/web.py
index 11dab74f9..a0285a4cf 100644
--- a/tornado/web.py
+++ b/tornado/web.py
@@ -1144,7 +1144,7 @@ class RequestHandler(object):
             version = 1
             try:
                 token = binascii.a2b_hex(utf8(cookie))
-            except TypeError:
+            except (binascii.Error, TypeError):
                 token = utf8(cookie)
             # We don't have a usable timestamp in older versions.
             timestamp = int(time.time())
-- 
2.47.2