From c3ad227eac42a42dd4d354c6ddf58cea9ee37ce6 Mon Sep 17 00:00:00 2001
From: DoctorNo124 <nsphilips7@gmail.com>
Date: Tue, 29 Mar 2022 10:37:58 -0400
Subject: [PATCH] Update make_trace_groups.js

Adding .data(cdModule) to make function in next .data not throw a null exception
---
 src/lib/make_trace_groups.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib/make_trace_groups.js b/src/lib/make_trace_groups.js
index b967287c64e..81cb41e88f5 100644
--- a/src/lib/make_trace_groups.js
+++ b/src/lib/make_trace_groups.js
@@ -15,6 +15,7 @@ var d3 = require('@plotly/d3');
  */
 module.exports = function makeTraceGroups(traceLayer, cdModule, cls) {
     var traces = traceLayer.selectAll('g.' + cls.replace(/\s/g, '.'))
+        .data(cdModule)
         .data(cdModule, function(cd) { return cd[0].trace.uid; });
 
     traces.exit().remove();