code: def _mp_fn(index):
      # For xla_spawn (TPUs)
      main()
  
imports: import logging
  import math
  import os
  import sys
  from dataclasses import dataclass, field
  from itertools import chain
  from typing import Optional
  import datasets
  from datasets import load_dataset
  import transformers
  from transformers import AutoConfig, AutoTokenizer, DataCollatorForPermutationLanguageModeling, HfArgumentParser, Trainer, TrainingArguments, XLNetConfig, XLNetLMHeadModel, set_seed
  from transformers.trainer_utils import get_last_checkpoint
  from transformers.utils import check_min_version, send_example_telemetry
  from transformers.utils.versions import require_version
label_desc: Use image node_id 2 for calling a global function with example usage: _mp_fn(index) without return types