From f6c19ca0b455bb89dd738d41ec5d04d9c6b65f8f Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Thu, 8 Aug 2013 10:56:44 +0900
Subject: [PATCH] don't die if autojunk unavailable (#952)

---
 aqt/reviewer.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/aqt/reviewer.py b/aqt/reviewer.py
index 8b1bbaf91..e145c0171 100644
--- a/aqt/reviewer.py
+++ b/aqt/reviewer.py
@@ -437,7 +437,11 @@ Please run Tools>Empty Cards""")
         # compare in NFC form so accents appear correct
         given = ucd.normalize("NFC", given)
         correct = ucd.normalize("NFC", correct)
-        s = difflib.SequenceMatcher(None, given, correct, autojunk=False)
+        try:
+            s = difflib.SequenceMatcher(None, given, correct, autojunk=False)
+        except:
+            # autojunk was added in python 2.7.1
+            s = difflib.SequenceMatcher(None, given, correct)
         givenElems = []
         correctElems = []
         givenPoint = 0