From de55c133552514555cf86a23f43a38ef06338f40 Mon Sep 17 00:00:00 2001
From: Boyi C <cby@cby.me>
Date: Sat, 5 May 2018 04:04:07 +0800
Subject: [PATCH] Fix chart not updating #1104 (#1139)

---
 src/components/entity/ha-chart-base.html | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/components/entity/ha-chart-base.html b/src/components/entity/ha-chart-base.html
index fbab75218a..223908d080 100644
--- a/src/components/entity/ha-chart-base.html
+++ b/src/components/entity/ha-chart-base.html
@@ -161,6 +161,10 @@
       };
     }
 
+    static get observers() {
+      return ['onPropsChange(data)'];
+    }
+
     connectedCallback() {
       super.connectedCallback();
       this._isAttached = true;