From b3733c5c7f31b79419167bc27f5be2f286277f61 Mon Sep 17 00:00:00 2001
From: Frederik Jaeckel <frederik.jaeckel@m-ds.de>
Date: Wed, 6 Dec 2023 22:06:18 +0100
Subject: [PATCH] fix DEF_NONE

---
 line.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/line.py b/line.py
index 9497e03..51d95cc 100644
--- a/line.py
+++ b/line.py
@@ -14,9 +14,10 @@ from trytond.i18n import gettext
 from trytond.report import Report
 from trytond.transaction import Transaction
 from trytond.modules.cashbook.line import STATES, DEPENDS
-from trytond.modules.cashbook.const import DEF_NONE
 from .mixin import SecondUomMixin
 
+DEF_NONE = None
+
 STATESQ1 = {
     'invisible': And(
         Eval('feature', '') != 'asset',