From e73e3d1bace89021bef8164f333476dca0d6270e Mon Sep 17 00:00:00 2001
From: Jessica McKellar <jesstess@humbughq.com>
Date: Wed, 18 Sep 2013 13:57:38 -0400
Subject: [PATCH] Don't error out on a name change for a stream you're not on.

(imported from commit 8438087b3b6c66f41b9d9152661a93f01a086b28)
---
 static/js/subs.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/static/js/subs.js b/static/js/subs.js
index 5b2507a5d8..932c8b3dc4 100644
--- a/static/js/subs.js
+++ b/static/js/subs.js
@@ -120,6 +120,11 @@ function update_stream_notifications(sub, value) {
 }
 
 function update_stream_name(sub, new_name) {
+    if (sub === undefined) {
+        // This isn't a stream we know about, so ignore it.
+        return;
+    }
+
     // Rename the stream internally.
     var old_name = sub.name;
     stream_data.delete_sub(old_name);