From 3789c366811fc9073df253ddf1b26d5b6e9be1a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ho=C3=ABl=20Bagard?=
 <34478245+hoel-bagard@users.noreply.github.com>
Date: Thu, 15 Jan 2026 16:34:40 +0900
Subject: [PATCH] `tensorflow`: add `tf.keras.metrics.MeanSquaredError`
 (#15282)

---
 stubs/tensorflow/tensorflow/keras/metrics.pyi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/stubs/tensorflow/tensorflow/keras/metrics.pyi b/stubs/tensorflow/tensorflow/keras/metrics.pyi
index 30096af2c..33b8a3fb6 100644
--- a/stubs/tensorflow/tensorflow/keras/metrics.pyi
+++ b/stubs/tensorflow/tensorflow/keras/metrics.pyi
@@ -109,6 +109,9 @@ class SparseTopKCategoricalAccuracy(MeanMetricWrapper):
         self, k: int = 5, name: str | None = "sparse_top_k_categorical_accuracy", dtype: DTypeLike | None = None
     ) -> None: ...
 
+class MeanSquaredError(MeanMetricWrapper):
+    def __init__(self, name: str | None = "mean_squared_error", dtype: DTypeLike | None = None) -> None: ...
+
 # TODO: Actually tensorflow.python.keras.utils.metrics_utils.Reduction, but that module
 # is currently missing from the stub.
 @type_check_only