Send an *item* on this pair. This will block unless our Rever is ready,
        either forever or until *timeout* milliseconds.

def send(self, item, timeout=-1):
        """
        Send an *item* on this pair. This will block unless our Rever is ready,
        either forever or until *timeout* milliseconds.
        """
        return self.sender.send(item, timeout=timeout)