old_contents: from tendrl.commons import etcdobj
  from tendrl.commons.message import Message as message
  from tendrl.commons import objects
  
  
  class Message(objects.BaseObject, message):
      internal = True
      def __init__(self, **message_arg):
          self._defs = {}
          message.__init__(self, **message_arg)
          objects.BaseObject.__init__(self)
          self.value = 'messages/events/%s'
          self._etcd_cls = _MessageEtcd
  
  class _MessageEtcd(etcdobj.EtcdObj):
      """Message object, lazily updated
  
      """
      __name__ = 'messages/events/%s'
      _tendrl_cls = Message
  
      def render(self):
          self.__name__ = self.__name__ % (
              self.message_id
          )
          return super(_MessageEtcd, self).render()
  
new_contents: from tendrl.commons import etcdobj
  from tendrl.commons.message import Message as message
  from tendrl.commons import objects
  
  
  class Message(objects.BaseObject, message):
      internal = True
      def __init__(self, **message_arg):
          self._defs = {}
          message.__init__(self, **message_arg)
          objects.BaseObject.__init__(self)
          self.value = 'messages/events/%s'
          self._etcd_cls = _MessageEtcd
      
      def save(self):
          super(Message, self).save(update=False)
          
  class _MessageEtcd(etcdobj.EtcdObj):
      """Message object, lazily updated
  
      """
      __name__ = 'messages/events/%s'
      _tendrl_cls = Message
  
      def render(self):
          self.__name__ = self.__name__ % (
              self.message_id
          )
          return super(_MessageEtcd, self).render()
  
subject: Update __init__.py