From 1c090df4a5d6168d0534613ab592ae5c16329f02 Mon Sep 17 00:00:00 2001
From: Krist Wongsuphasawat <krist.wongz@gmail.com>
Date: Fri, 8 Feb 2019 10:47:57 -0800
Subject: [PATCH] Add check for invalid color scheme (#6828)

* add check for invalid scheme

* revert package-lock.json

* revert again
---
 .../src/explore/components/controls/ColorSchemeControl.jsx | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/superset/assets/src/explore/components/controls/ColorSchemeControl.jsx b/superset/assets/src/explore/components/controls/ColorSchemeControl.jsx
index fb18ab19d..1e1e67718 100644
--- a/superset/assets/src/explore/components/controls/ColorSchemeControl.jsx
+++ b/superset/assets/src/explore/components/controls/ColorSchemeControl.jsx
@@ -71,9 +71,10 @@ export default class ColorSchemeControl extends React.PureComponent {
     // For categorical scheme, display all the colors
     // For sequential scheme, show 10 or interpolate to 10.
     // Sequential schemes usually have at most 10 colors.
-    const colors = isLinear
-      ? currentScheme.getColors(10)
-      : currentScheme.colors;
+    let colors = [];
+    if (currentScheme) {
+      colors = isLinear ? currentScheme.getColors(10) : currentScheme.colors;
+    }
 
     return (
       <ul className="color-scheme-container">