From f8fad0067cd3aa2e80deec8ed95740bae27ee98c Mon Sep 17 00:00:00 2001
From: arvkevi <arvkevi@gmail.com>
Date: Sat, 24 Oct 2020 14:20:24 -0400
Subject: [PATCH] Explicitly convert x and y (array-like) to numpy arrays.

---
 yellowbrick/utils/kneed.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/yellowbrick/utils/kneed.py b/yellowbrick/utils/kneed.py
index 324f97004..5378115e6 100644
--- a/yellowbrick/utils/kneed.py
+++ b/yellowbrick/utils/kneed.py
@@ -93,8 +93,8 @@ def __init__(
     ):
 
         # Raw Input
-        self.x = x
-        self.y = y
+        self.x = np.array(x)
+        self.y = np.array(y)
         self.curve_nature = curve_nature
         self.curve_direction = curve_direction
         self.N = len(self.x)