From 4ed0250424ec8d20413a289c72f401abbf3c2681 Mon Sep 17 00:00:00 2001
From: fawce <fawce@quantopian.com>
Date: Wed, 1 May 2013 22:42:17 -0400
Subject: [PATCH] added a fake window_length to be compatible with transform
 protocol

---
 zipline/utils/test_utils.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/zipline/utils/test_utils.py b/zipline/utils/test_utils.py
index 149c5a5d..4642003b 100644
--- a/zipline/utils/test_utils.py
+++ b/zipline/utils/test_utils.py
@@ -141,6 +141,7 @@ class ExceptionSource(object):
 class ExceptionTransform(object):
 
     def __init__(self):
+        self.window_length = 1
         pass
 
     def get_hash(self):