code: def ensure_dir(dir_path: str):
      r"""Make sure the directory exists, if it does not exist, create it
  
      Args:
          dir_path (str): directory path
  
      """
      os.makedirs(dir_path, exist_ok=True)
  
imports: import os
  import datetime
  import importlib
  from accelerate.logging import get_logger
  from typing import Union, Optional
  import shutil
  import torch
  from accelerate.utils import set_seed
  from transformers import AutoTokenizer, BertTokenizer
  from .enum_type import PLM_MODELS, RNN_MODELS
label_desc: Use image node_id 2 for calling a global function with example usage: ensure_dir(dir_path) without return types