code: def get_free_gpu():
      for i in range(torch.cuda.device_count()):
          gpu_procs_str = torch.cuda.list_gpu_processes(i)
          if "no processes are running" in gpu_procs_str:
              return i
      return None
  
file_path: orion/examples/huggingface/main.py
imports: import logging
  import os
  import argparse
  from copy import deepcopy
  import hydra
  import numpy
  import torch
  from datasets import load_dataset, load_metric
  from omegaconf import DictConfig
  from transformers import AutoModelForSeq2SeqLM, AutoTokenizer, DataCollatorForSeq2Seq, Seq2SeqTrainer, Seq2SeqTrainingArguments, TrainerCallback
label_desc: Use image node_id 3 for calling a global function with example usage: get_free_gpu() and returns: None, i