ids = list(set(ids) - set(context.get('lead_ids', False)) )
lead_obj = self.pool.get('crm.lead')
op_id = lead_obj.search(cr, uid, [('id', 'in', ids)], order='create_date' , context=context)
ids = list(set(ids) - set(context.get('lead_ids', False)) )
lead_obj = self.pool.get('crm.lead')
op_id = lead_obj.search(cr, uid, [('id', 'in', ids)], order='create_date' , context=context)