From 52b871b7dfdaf3df0098800c219307fe41aeac67 Mon Sep 17 00:00:00 2001
From: Tanner Linsley <tannerlinsley@gmail.com>
Date: Wed, 21 Jul 2021 21:50:11 -0700
Subject: [PATCH] fix: voronoi key index fallback

---
 src/components/Voronoi.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/components/Voronoi.tsx b/src/components/Voronoi.tsx
index 67bc89bf..0747bf61 100644
--- a/src/components/Voronoi.tsx
+++ b/src/components/Voronoi.tsx
@@ -201,9 +201,9 @@ function PrimaryVoronoi<TDatum>({
           },
         }}
       >
-        {columns.map(column => {
+        {columns.map((column, i) => {
           return (
-            <React.Fragment key={column.primaryPx}>
+            <React.Fragment key={`${column.primaryPx}_${i}`}>
               {column.datumBoundaries.map(datumBoundary => {
                 const x1 = !primaryAxis.isVertical
                   ? column.primaryStart