From 66fcdffd5bd7bc775f9280dafd50e1013839d99f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Tue, 15 Jul 2025 17:45:18 +0200
Subject: [PATCH] Initialize recent date when closing periods with empty period
 list (grafted from beed0d8fffcf8aa86ac5e6a2fe50adbfb7e5adcc)

--HG--
branch : 6.0
---
 modules/stock_lot_sled/stock.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modules/stock_lot_sled/stock.py b/modules/stock_lot_sled/stock.py
index 33b72d487b..93894e7539 100644
--- a/modules/stock_lot_sled/stock.py
+++ b/modules/stock_lot_sled/stock.py
@@ -379,7 +379,9 @@ class Period(metaclass=PoolMeta):
 
         # Don't allow to close a period if all products at this date
         # are not yet expired
-        recent_date = max(period.date for period in periods)
+        recent_date = max(
+            (period.date for period in periods),
+            default=datetime.date.min)
         today = Date.today()
 
         query = move.join(lot, 'INNER',