From cb7ee531116a5c56faa08f588e8e7908010e0b06 Mon Sep 17 00:00:00 2001
From: Joe Jevnik <joe@quantopian.com>
Date: Tue, 6 Jun 2017 18:33:53 -0400
Subject: [PATCH] BUG: fix assert_equal for tuple-keyed dictionaries

---
 zipline/testing/predicates.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zipline/testing/predicates.py b/zipline/testing/predicates.py
index fa776ba1..e6d34e5f 100644
--- a/zipline/testing/predicates.py
+++ b/zipline/testing/predicates.py
@@ -358,7 +358,7 @@ def assert_dict_equal(result, expected, path=(), msg='', **kwargs):
             assert_equal(
                 resultv,
                 expectedv,
-                path=path + ('[%r]' % k,),
+                path=path + ('[%r]' % (k,),),
                 msg=msg,
                 **kwargs
             )