Use __traceback_info__ rather than changing the exception message

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@9491 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/BusinessTemplate.py

@@ -477,13 +477,8 @@ class ObjectTemplateItem(BaseTemplateItem):
     while connection is None:
       obj=obj.aq_parent
       connection=obj._p_jar
-    try:
+    __traceback_info__ = 'Importing %s' % file_name
     obj = connection.importFile(file, customImporters=customImporters)
-    except POSException.ExportError, e:
-      LOG('BusinessTemplate', PANIC, 'Failed importing %s' % file_name, error=e)
-      if e.args == ('Invalid export header',):
-        e.args = ('%s (filename: %s)' % (e.args[0], file_name), )
-      raise e
     self._objects[file_name[:-4]] = obj
 
   def preinstall(self, context, installed_bt, **kw):