From 9dbfca129c384572726b3e5619c8198866f60922 Mon Sep 17 00:00:00 2001
From: Ned Batchelder <ned@nedbatchelder.com>
Date: Thu, 21 Feb 2013 14:36:14 -0500
Subject: [PATCH] Check functions now can only return serializable data, and
 'ex' and 'got' weren't used later anyway.

---
 common/lib/sandbox-packages/symmath/symmath_check.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/common/lib/sandbox-packages/symmath/symmath_check.py b/common/lib/sandbox-packages/symmath/symmath_check.py
index 151debee71..65a17883f5 100644
--- a/common/lib/sandbox-packages/symmath/symmath_check.py
+++ b/common/lib/sandbox-packages/symmath/symmath_check.py
@@ -324,4 +324,5 @@ def symmath_check(expect, ans, dynamath=None, options=None, debug=None, xml=None
             msg += "<p>Difference: %s</p>" % to_latex(diff)
         msg += '<hr>'
 
-    return {'ok': False, 'msg': msg, 'ex': fexpect, 'got': fsym}
+    # Used to return more keys: 'ex': fexpect, 'got': fsym
+    return {'ok': False, 'msg': msg}