From 96002cb2bd1ab121591ae72d57153cd4e611283b Mon Sep 17 00:00:00 2001
From: Christophe Simonis <chs@odoo.com>
Date: Wed, 29 Apr 2015 13:57:38 +0200
Subject: [PATCH] [FIX] purchase: `invoice_open` should return action.

This line was wrongly removed by 0fd773a486fbc

Courtesy of @alhashash (http://git.io/vJfRQ)
---
 addons/purchase/purchase.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index fcabd0b8cec..ec611536c80 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -422,6 +422,7 @@ class purchase_order(osv.osv):
         if not inv_ids:
             raise UserError(_('Please create Invoices.'))
         result['domain'] = [('id', 'in', inv_ids)]
+        return result
 
     def view_invoice(self, cr, uid, ids, context=None):
         '''