def _replace_placeholder_with_real_path(self, exper: str,
                                            sparkapp_path: str):
        """ replace ${prefix} with real path

        Args:
            sparkapp_path (str): sparkapp real path
        """
        return exper.replace('${prefix}', sparkapp_path)
 replace ${prefix} with real path

        Args:
            sparkapp_path (str): sparkapp real path
        
web_console_v2/api/fedlearner_webconsole/sparkapp/schema.py