From ed4825523ca54309272f044826f383c2606456a1 Mon Sep 17 00:00:00 2001
From: vera-liu <vera.liu@airbnb.com>
Date: Fri, 11 Nov 2016 17:28:07 -0800
Subject: [PATCH] Fixed a bug with new dashboard (#1585)

---
 superset/assets/javascripts/dashboard/Dashboard.jsx | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/superset/assets/javascripts/dashboard/Dashboard.jsx b/superset/assets/javascripts/dashboard/Dashboard.jsx
index cf3bb5c881..6f9d6de56e 100644
--- a/superset/assets/javascripts/dashboard/Dashboard.jsx
+++ b/superset/assets/javascripts/dashboard/Dashboard.jsx
@@ -19,9 +19,11 @@ export function getInitialState(dashboardData, context) {
   dashboard.firstLoad = true;
 
   dashboard.posDict = {};
-  dashboard.position_json.forEach(position => {
-    dashboard.posDict[position.slice_id] = position;
-  });
+  if (dashboard.position_json) {
+    dashboard.position_json.forEach(position => {
+      dashboard.posDict[position.slice_id] = position;
+    });
+  }
   dashboard.curUserId = dashboard.context.user_id;
   dashboard.refreshTimer = null;