How to use the oscpy.parser.UNICODE function in oscpy

def bind(self, address, callback, sock=None, get_address=False):
        """Bind a callback to an osc address.

        A socket in the list of existing sockets of the server can be
        given. If no socket is provided, the default socket of the
        server is used, if no default socket has been defined, a
        RuntimeError is raised.

        Multiple callbacks can be bound to the same address.
        """
        if not sock and self.default_socket:
            sock = self.default_socket
        elif not sock:
            raise RuntimeError('no default socket yet and no socket provided')

        if isinstance(address, UNICODE) and self.encoding:
            address = address.encode(
                self.encoding, errors=self.encoding_errors)

        if self.advanced_matching:
            address = self.create_smart_address(address)

        callbacks = self.addresses.get((sock, address), [])
        cb = (callback, get_address)
        if cb not in callbacks:
            callbacks.append(cb)
        self.addresses[(sock, address)] = callbacks