From 01c03d2267671930bda218b7213b8bc8fb4eda86 Mon Sep 17 00:00:00 2001
From: Scott Sanderson <scoutoss@gmail.com>
Date: Wed, 29 Jul 2015 11:25:35 -0400
Subject: [PATCH] MAINT: Add nullctx back to test_utils.

Temporary upstream compat for Quantopian code.

To be removed at the earliest possible convenience.
---
 zipline/utils/test_utils.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/zipline/utils/test_utils.py b/zipline/utils/test_utils.py
index 96dc7d7b..9df753fc 100644
--- a/zipline/utils/test_utils.py
+++ b/zipline/utils/test_utils.py
@@ -7,6 +7,9 @@ from mock import patch
 import operator
 from zipline.finance.blotter import ORDER_STATUS
 from zipline.utils import security_list
+# FIXME: This is downstream compat.  If it's still here by August 5, 2015,
+# please yell at Scott Sanderson.
+from zipline.utils.control_flow import nullctx  # noqa
 
 from six import (
     itervalues,