From 89a35d8aaf4c7c4d15f0cc0876293f4c6156bbd9 Mon Sep 17 00:00:00 2001
From: Scott Shambaugh <14363975+scottshambaugh@users.noreply.github.com>
Date: Sat, 17 Jan 2026 13:01:03 -0700
Subject: [PATCH] Backport PR #30985: MNT: do not assign a numpy array shape

---
 lib/matplotlib/tests/test_axes.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
index 159fc70282b8..b9eb145b1410 100644
--- a/lib/matplotlib/tests/test_axes.py
+++ b/lib/matplotlib/tests/test_axes.py
@@ -2182,9 +2182,8 @@ def test_pcolor_regression(pd):
 
     time_axis, y_axis = np.meshgrid(times, y_vals)
     shape = (len(y_vals) - 1, len(times) - 1)
-    z_data = np.arange(shape[0] * shape[1])
+    z_data = np.arange(shape[0] * shape[1]).reshape(shape)
 
-    z_data.shape = shape
     try:
         register_matplotlib_converters()