Use try..except..else instead of treating non-raising case in "try" block.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@24089 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/CMFActivity/ActivityTool.py

@@ -1062,13 +1062,14 @@ class ActivityTool (Folder, UniqueObject):
           else:
             try:
               m.activateResult(self, result, object)
-              m.is_executed = MESSAGE_EXECUTED
             except:
               m.is_executed = MESSAGE_NOT_EXECUTED
               m.exc_type = sys.exc_info()[0]
               LOG('ActivityTool', WARNING,
                   'Could not call method %s on object %s' % (
                   m.method_id, m.object_path), error=sys.exc_info())
+            else:
+              m.is_executed = MESSAGE_EXECUTED
       if logging:
         LOG('Activity Tracking', INFO, 'invoked group messages')