Convert a string to a JSON object

        ``content`` String content to convert into JSON

        ``pretty_print`` If defined, will output JSON is pretty print format

def to_json(self, content, pretty_print=False):
        """ Convert a string to a JSON object

        ``content`` String content to convert into JSON

        ``pretty_print`` If defined, will output JSON is pretty print format
        """
        if PY3:
            if isinstance(content, bytes):
                content = content.decode(encoding='utf-8')
        if pretty_print:
            json_ = self._json_pretty_print(content)
        else:
            json_ = json.loads(content)
        logger.info('To JSON using : content=%s ' % (content))
        logger.info('To JSON using : pretty_print=%s ' % (pretty_print))

        return json_