code: def purge_stream(self, stream_id, remove_definition=False, sandbox=None):
          
          super(AssetsChannel, self).purge_stream(
              stream_id=stream_id, remove_definition=remove_definition, sandbox=sandbox)
docs: Purge the stream
  
          :param stream_id: The stream identifier
          :param remove_definition: Whether to remove the stream definition as well
          :param sandbox: The sandbox for this stream
          :return: None