[MERGE] lp:893130 (stock: copy of picking in state 'invoiced' must be in state '2binvoiced')

bzr revid: rco@openerp.com-20111130092600-0kmviu7ip8u9g0oq

addons/stock/stock.py

@@ -694,6 +694,8 @@ class stock_picking(osv.osv):
             default['name'] = self.pool.get('ir.sequence').get(cr, uid, seq_obj_name)
             default['origin'] = ''
             default['backorder_id'] = False
+        if picking_obj.invoice_state == 'invoiced':
+            default['invoice_state'] = '2binvoiced'
         res=super(stock_picking, self).copy(cr, uid, id, default, context)
         if res:
             picking_obj = self.browse(cr, uid, res, context=context)