From 14ae4182e2e8a511f16ed7ccc3b37356b278b1b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Mon, 2 Sep 2013 11:21:19 +0200
Subject: [PATCH] Create invoice line for non-line only once

issue3292
review1043003
(transplanted from 399d66f4e5262cffe86254af3f43074f2e43418d)
---
 purchase.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/purchase.py b/purchase.py
index 7f5c5d3a53..0e6c90216e 100644
--- a/purchase.py
+++ b/purchase.py
@@ -1237,6 +1237,7 @@ class PurchaseLine(ModelSQL, ModelView):
         res['note'] = line.note
         if line.type != 'line':
             if (line.purchase.invoice_method == 'order'
+                    and not line.invoice_lines
                     and (all(l.quantity >= 0 for l in line.sale.lines
                             if l.type == 'line')
                         or all(l.quantity <= 0 for l in line.sale.lines