[FIX] account_voucher: little corretion for set of invoice_ids to for faster execution

bzr revid: rha@tinyerp.com-20120210054010-0gwxidjiswd7gsj2

diff --git a/addons/account_voucher/account_voucher.py b/addons/account_voucher/account_voucher.py
index 7cd9d85..30bc5c0 100644 (file)
--- a/addons/account_voucher/account_voucher.py
+++ b/addons/account_voucher/account_voucher.py
@@ -601,7 +601,7 @@ class account_voucher(osv.osv):
             'state':'cancel',
             'move_id':False,
         }
-        for inv_id in invoice_ids:
+        for inv_id in set(invoice_ids):
             wf_service.trg_validate(uid, 'account.invoice', inv_id, 'open_test', cr)
         self.write(cr, uid, ids, res)
         return True