From bf593c6603a79a31d425bb20d2acb43227afdbeb Mon Sep 17 00:00:00 2001
From: Victor Shnayder <victor@edx.org>
Date: Thu, 6 Dec 2012 11:27:58 -0500
Subject: [PATCH] clean up imports

---
 common/lib/capa/capa/responsetypes.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/common/lib/capa/capa/responsetypes.py b/common/lib/capa/capa/responsetypes.py
index 89bc7e4a2c..6d15aba54f 100644
--- a/common/lib/capa/capa/responsetypes.py
+++ b/common/lib/capa/capa/responsetypes.py
@@ -8,21 +8,23 @@ Used by capa_problem.py
 '''
 
 # standard library imports
+import abc
 import cgi
+import hashlib
 import inspect
 import json
 import logging
 import numbers
 import numpy
+import os
 import random
 import re
 import requests
-import traceback
-import hashlib
-import abc
-import os
 import subprocess
+import traceback
 import xml.sax.saxutils as saxutils
+
+from collections import namedtuple
 from shapely.geometry import Point, MultiPoint
 
 # specific library imports