From 6694e3716ca18441d1ef7fc34ec605bf50830ba0 Mon Sep 17 00:00:00 2001
From: Kyle Sunden <git@ksunden.space>
Date: Wed, 21 Dec 2022 11:04:30 -0600
Subject: [PATCH] Correct docstring of RangeSlider.on_changed

The call is actually made with a tuple (vmin, vmax).

Somebody expecting a numpy array may be surprised to find it is not
actually an array.
---
 lib/matplotlib/widgets.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/matplotlib/widgets.py b/lib/matplotlib/widgets.py
index a909b856951e..32be7c1b4aad 100644
--- a/lib/matplotlib/widgets.py
+++ b/lib/matplotlib/widgets.py
@@ -945,7 +945,7 @@ def on_changed(self, func):
         ----------
         func : callable
             Function to call when slider is changed. The function
-            must accept a numpy array with shape (2,) as its argument.
+            must accept a 2-tuple of floats as its argument.
 
         Returns
         -------