From 1367643bd02c84150fc5bd027fa266d17026b65e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Mon, 2 Mar 2026 14:15:14 +0100
Subject: [PATCH] Do not copy caches of stock periods

Closes #14639
---
 modules/stock/period.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/modules/stock/period.py b/modules/stock/period.py
index 66d0f24b5e..1ef8c6d3d0 100644
--- a/modules/stock/period.py
+++ b/modules/stock/period.py
@@ -77,6 +77,12 @@ class Period(Workflow, ModelSQL, ModelView):
     def get_rec_name(self, name):
         return Pool().get('ir.lang').get().strftime(self.date)
 
+    @classmethod
+    def copy(cls, periods, default=None):
+        default = default.copy() if default is not None else {}
+        default.setdefault('caches')
+        return super().copy(periods, default=default)
+
     @classmethod
     @ModelView.button
     @Workflow.transition('draft')