From e017297d3f4087faac1c0e2742c71dbd5c40ae02 Mon Sep 17 00:00:00 2001
From: Alexander Kryklia <kryklia@gmail.com>
Date: Wed, 16 Jan 2013 16:18:06 +0200
Subject: [PATCH] fix

---
 common/lib/capa/capa/verifiers/draganddrop.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common/lib/capa/capa/verifiers/draganddrop.py b/common/lib/capa/capa/verifiers/draganddrop.py
index 7ad1ce35eb..91d5759390 100644
--- a/common/lib/capa/capa/verifiers/draganddrop.py
+++ b/common/lib/capa/capa/verifiers/draganddrop.py
@@ -206,6 +206,8 @@ class DragAndDrop(object):
         Returns: True if within rule lists are equal, otherwise False.
         """
         if flag == 'exact':
+            if len(correct) != len(user):
+                return False
             for el1, el2 in zip(correct, user):
                 if PositionsCompare(el1) != PositionsCompare(el2):
                     return False