From 5d2a93eee023f7ec26a0183593dd2b3f4578ec03 Mon Sep 17 00:00:00 2001
From: Christian Lorentzen <lorentzen.ch@gmail.com>
Date: Fri, 24 May 2024 10:19:10 +0200
Subject: [PATCH] MNT DOC deprecation note in docstring of PassiveAggressive
 Classifierfor loss_function_ attribute

---
 sklearn/linear_model/_passive_aggressive.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sklearn/linear_model/_passive_aggressive.py b/sklearn/linear_model/_passive_aggressive.py
index 2de019b6d986c..3a7ffbf9bfaea 100644
--- a/sklearn/linear_model/_passive_aggressive.py
+++ b/sklearn/linear_model/_passive_aggressive.py
@@ -145,6 +145,10 @@ class PassiveAggressiveClassifier(BaseSGDClassifier):
     loss_function_ : callable
         Loss function used by the algorithm.
 
+         .. deprecated:: 1.4
+            Attribute `loss_function_` was deprecated in version 1.4 and will be
+            removed in 1.6.
+
     See Also
     --------
     SGDClassifier : Incrementally trained logistic regression.