Error sv.except_osv translate

[Raimon Esteve (www.zikzakmedia.com)]

Administrator -> Customization -> Jasper -> Jasper.
Add new file jrxml and not mark with "default" value, and save => Error.
The reason it isn't avaible Translate import.

==Solution==
Linie 41 report_xml.py
from tools.translate import _

for example:

import os
import csv
import copy
import base64
import report
import pooler
from osv import orm, osv, fields
import tools
import tempfile
import codecs
import sql_db
import netsvc
import jasper_report
from tools.translate import _