From 2c8e0256cdd044c7e2bd018fd4d30b3eb56cf1b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Tue, 15 Jul 2025 17:42:16 +0200
Subject: [PATCH] Do not fail to open product category to add products without
 any categories (grafted from 72db56e056c39546a146bf57b60246428ed79f6c)

--HG--
branch : 7.0
---
 modules/product/category.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/product/category.py b/modules/product/category.py
index d3c0512864..30e96cd978 100644
--- a/modules/product/category.py
+++ b/modules/product/category.py
@@ -32,9 +32,9 @@ class Category(tree(separator=' / '), ModelSQL, ModelView):
     @ModelView.button_action('product.act_category_product')
     def add_products(cls, categories):
         return {
-            'res_id': [categories[0].id],
+            'res_id': [categories[0].id if categories else None],
             'pyson_domain': PYSONEncoder().encode(
-                [('id', '=', categories[0].id)]),
+                [('id', '=', categories[0].id if categories else None)]),
              }
 
     @classmethod