From 4b9970ddcb0f3433830ae248db67c63095c2f2a4 Mon Sep 17 00:00:00 2001
From: Martin Fleischmann <martin@martinfleischmann.net>
Date: Thu, 29 Aug 2024 10:56:04 +0200
Subject: [PATCH] ENH: ensure lag_spatial is compatible with both W and Graph

---
 libpysal/weights/spatial_lag.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libpysal/weights/spatial_lag.py b/libpysal/weights/spatial_lag.py
index 7528f6f4f..e41bfc5b6 100644
--- a/libpysal/weights/spatial_lag.py
+++ b/libpysal/weights/spatial_lag.py
@@ -85,7 +85,7 @@ def lag_spatial(w, y):
            [6.        , 2.        ],
            [6.        , 2.        ]])
     """
-    return w.sparse * y
+    return w.sparse @ y
 
 
 def lag_categorical(w, y, ties="tryself"):