From c88dbc8b013c47f5559a98f900d2972ba34c4187 Mon Sep 17 00:00:00 2001
From: "Bharat R. Devnani (OpenERP)" <bde@tinyerp.com>
Date: Tue, 3 Dec 2013 12:04:23 +0530
Subject: [PATCH] [IMP] improved warning message

bzr revid: bde@tinyerp.com-20131203063423-ne1dwsy4q0vp53hj
---
 addons/purchase/purchase.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index 1befe7c693d..f3e4af92f3a 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -596,7 +596,7 @@ class purchase_order(osv.osv):
                 .signal_button_cancel(cr, uid, map(attrgetter('id'), purchase.picking_ids))
             for inv in purchase.invoice_ids:
                 if inv and inv.state not in ('cancel','draft'):
-                    raise osv.except_osv(
+                    raise osv.except_osv(_('Unable to cancel this purchase order.'),
                         _('You must first cancel all invoices related to this purchase order.'))
             self.pool.get('account.invoice') \
                 .signal_invoice_cancel(cr, uid, map(attrgetter('id'), purchase.invoice_ids))