From cb8ae72ba729d5146865e1d714bf88e24748abde Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Mon, 1 Oct 2012 16:22:53 +0200
Subject: [PATCH] "add" operator takes a list of ids

issue2804
---
 invoice.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/invoice.py b/invoice.py
index ac1a28f7bc..6ced10de3e 100644
--- a/invoice.py
+++ b/invoice.py
@@ -28,7 +28,7 @@ class InvoiceLine:
                     ])
             if vals['invoice']:
                 Purchase.write(purchases, {
-                    'invoices': [('add', vals['invoice'])],
+                    'invoices': [('add', [vals['invoice']])],
                     })
             else:
                 for purchase in purchases: