From 39c88d09229dbd7cfb3b13b823afe00dcd638f80 Mon Sep 17 00:00:00 2001
From: Vo Minh Thu <vmt@openerp.com>
Date: Tue, 16 Apr 2013 15:26:21 +0200
Subject: [PATCH] [IMP] account: cash.box.in defines its _columns, do the same
 for cash.box.out.

This is needed to solve an inheritance problem when adding a superclass
`base.model` (I guess this is related to the fact some code in the orm
does a copy from the class to the instance).

bzr revid: vmt@openerp.com-20130416132621-xo0lckimczqpvyos
---
 addons/account/wizard/pos_box.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/addons/account/wizard/pos_box.py b/addons/account/wizard/pos_box.py
index 1d6d13e140b..874a8e3b7c9 100644
--- a/addons/account/wizard/pos_box.py
+++ b/addons/account/wizard/pos_box.py
@@ -67,6 +67,8 @@ class CashBoxIn(CashBox):
 class CashBoxOut(CashBox):
     _name = 'cash.box.out'
 
+    _columns = CashBox._columns.copy()
+
     def _compute_values_for_statement_line(self, cr, uid, box, record, context=None):
         amount = box.amount or 0.0
         return {