code: def get_gpus() -> Tuple[List[GPU], str]:
      result = _get_nvidia_gpus()
      if result:
          return result, "cuda"
      result = _get_rocm_gpus()
      if result:
          return result, "rocm"
      else:
          return [], ""
  
file_path: determined/harness/determined/gpu.py
imports: import csv
  import json
  import logging
  import subprocess
  from typing import List, NamedTuple, Tuple
label_desc: Use image node_id 4 for calling a global function with example usage: get_gpus() and returns: result,  str, result,  str, list,  str