code: def fetch_dir_fom_head(local_dir: str, remote_dir: str):
      import ray
  
      ip = ray.get(ray.remote(_get_head_ip).remote())
      return fetch_dir_from_node(ip, remote_dir, local_dir)
  
file_path: ray/release/ray_release/file_manager/remote_task.py
imports: import io
  import tarfile
  from typing import Optional
  from ray_release.file_manager.file_manager import FileManager
label_desc: Use image node_id 7 for calling a global function with example usage: fetch_dir_fom_head(local_dir, remote_dir) and returns: fetch_dir_from_node