From 158125be782c719ad335663fd9ecc7e3f61c9783 Mon Sep 17 00:00:00 2001
From: amrutha1098 <38883175+amrutha1098@users.noreply.github.com>
Date: Wed, 21 Jun 2023 20:55:26 +0530
Subject: [PATCH] #1742 allowing Choropleth key_on to traverse through array

---
 folium/features.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/folium/features.py b/folium/features.py
index 5792290dc..711dd920b 100644
--- a/folium/features.py
+++ b/folium/features.py
@@ -1554,7 +1554,7 @@ def __init__(
 
             def get_by_key(obj, key):
                 return (
-                    obj.get(key, None)
+                    (obj[int(key)] if key.isdigit() else obj.get(key, None))
                     if len(key.split(".")) <= 1
                     else get_by_key(
                         obj.get(key.split(".")[0], None), ".".join(key.split(".")[1:])