code: def check_remote_hash(node: Dict) -> Optional[str]:
      cmd = "sudo runuser -l om -c 'cd /home/om/PySyft && git rev-parse HEAD'"
      return run_remote_shell(node, cmd)
  
imports: import json
  import os
  import subprocess
  from typing import Any
  from typing import Dict
  from typing import Optional
  from typing import Tuple
  import git
  import requests
label_desc: Use image node_id 9 for calling a global function with example usage: check_remote_hash(node) and returns: run_remote_shell