How to use the pychromecast.error.ChromecastConnectionError function in PyChromecast

self.logger.debug(
                        "[%s:%s] Connected!", self.fn or self.host, self.port
                    )
                    return
                except OSError as err:
                    self.connecting = True
                    if self.stop.is_set():
                        self.logger.error(
                            "[%s:%s] Failed to connect: %s. "
                            "aborting due to stop signal.",
                            self.fn or self.host,
                            self.port,
                            err,
                        )
                        raise ChromecastConnectionError("Failed to connect")

                    self._report_connection_status(
                        ConnectionStatus(
                            CONNECTION_STATUS_FAILED,
                            NetworkAddress(self.host, self.port),
                        )
                    )
                    if service is not None:
                        retry_log_fun(
                            "[%s:%s] Failed to connect to service %s"
                            ", retrying in %.1fs",
                            self.fn or self.host,
                            self.port,
                            service,
                            retry["delay"],
                        )

"[%s:%s] Not connected, sleeping for %.1fs. Services: %s",
                    self.fn or self.host,
                    self.port,
                    self.retry_wait,
                    self.services,
                )
                time.sleep(self.retry_wait)

            if tries:
                tries -= 1

        self.stop.set()
        self.logger.error(
            "[%s:%s] Failed to connect. No retries.", self.fn or self.host, self.port
        )
        raise ChromecastConnectionError("Failed to connect")

def _send_protocol(self, data):
        """ Default handler for sending messages as subprotocol. """
        if _DEBUG:
            self.logger.info("Sending {}".format(data))

        if not self.client:
            raise error.ChromecastConnectionError(
                "Not connected to Chromecast")

        try:
            self.client.send(json.dumps([self.protocol, data]).encode("utf8"))

        except socket.error:
            # if an error occured sending data over the socket
            raise error.ChromecastConnectionError(
                "Error communicating with Chromecast")

def _send_protocol(self, data):
        """ Default handler for sending messages as subprotocol. """
        if _DEBUG:
            self.logger.info("Sending {}".format(data))

        if not self.client:
            raise error.ChromecastConnectionError(
                "Not connected to Chromecast")

        try:
            self.client.send(json.dumps([self.protocol, data]).encode("utf8"))

        except socket.error:
            # if an error occured sending data over the socket
            raise error.ChromecastConnectionError(
                "Error communicating with Chromecast")