[IMP] do not get the fields when that is not needed

(/home/gbaconnier/code/openerp/c2c-web-addons/lp6.1-main rev 3.1.7)

web_translate_dialog_page/orm.py

@@ -141,12 +141,12 @@ def read_translations(self, cr, user, ids, fields=None, context=None, load='_cla
     select = map(lambda x: isinstance(x, dict) and x['id'] or x, select)
     result = self._read_flat(cr, user, select, fields, context, load)
 
+    if context.get('lang') and context['lang'] != 'en_US':
         fields_pre = [f for f in fields if
                         (f in self._columns and
                          getattr(self._columns[f], '_classic_write'))] + \
                                  self._inherits.values()
 
-    if context.get('lang') and context['lang'] != 'en_US':
         for f in fields_pre:
             if self._columns[f].translate:
                 res_ids = [x['id'] for x in result]