From a8541f73bdde8d6e3985999cfd6b020750cc3512 Mon Sep 17 00:00:00 2001
From: Frederik Jaeckel <frederik.jaeckel@m-ds.de>
Date: Wed, 2 Jul 2025 13:51:57 +0200
Subject: [PATCH] dont except if no 'modegross' on invoice.line

---
 mixin.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mixin.py b/mixin.py
index 1ffdd6f..dc235ac 100644
--- a/mixin.py
+++ b/mixin.py
@@ -168,6 +168,9 @@ class EdocumentMixin(object):
         Args:
             line (record): model account.invoice.line
         """
+        if not hasattr(line, 'modegross'):
+            return line.amount
+
         if line.modegross == 'net':
             return line.amount
         elif line.modegross == 'gross':