From cb49c6967c359cef10603bae89a380380838486c Mon Sep 17 00:00:00 2001
From: Ed Hager <ehager@sitepen.com>
Date: Wed, 11 Apr 2018 15:29:31 -0700
Subject: [PATCH] Make Tree#expand always return a promise.

Fixes #1415.
---
 Tree.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Tree.js b/Tree.js
index bc358a39e..ce5ea5c22 100644
--- a/Tree.js
+++ b/Tree.js
@@ -49,7 +49,7 @@ define([
 			//		if unspecified, toggles the current state.
 
 			if (!this._treeColumn) {
-				return;
+				return when();
 			}
 
 			var grid = this,