From 69ab59e59670c3865fb8240aa81ca9195a96e003 Mon Sep 17 00:00:00 2001
From: Alex Gaynor <alex.gaynor@gmail.com>
Date: Thu, 31 Oct 2013 15:26:43 -0700
Subject: py3k uses a different exception here

---
 cryptography/fernet.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cryptography/fernet.py b/cryptography/fernet.py
index ef64b7e9..f923911a 100644
--- a/cryptography/fernet.py
+++ b/cryptography/fernet.py
@@ -1,4 +1,5 @@
 import base64
+import binascii
 import os
 import struct
 import time
@@ -60,7 +61,7 @@ class Fernet(object):
 
         try:
             data = base64.urlsafe_b64decode(data)
-        except TypeError:
+        except (TypeError, binascii.Error):
             raise InvalidToken
 
         assert six.indexbytes(data, 0) == 0x80
-- 
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