Serializes and signs ``data`` and passes the payload off to ``send_remote``

        If ``server`` was passed into the constructor, this will serialize the data and pipe it to
        the server using ``send_remote()``.

def send(self, url, **kwargs):
        """
        Serializes and signs ``data`` and passes the payload off to ``send_remote``

        If ``server`` was passed into the constructor, this will serialize the data and pipe it to
        the server using ``send_remote()``.
        """
        if self.config.server_url:
            return super(DjangoClient, self).send(url, **kwargs)
        else:
            self.error_logger.error("No server configured, and elasticapm not installed. Cannot send message")
            return None