code: def clean_label(label: str) -> str:
      """
      Return a label without spaces or parenthesis
      """
      for c in "()":
          label = label.replace(c, "")
      for c in " ":
          label = label.replace(c, "_")
      return label.strip("_")
  
file_path: vissl/extra_scripts/datasets/create_k700_data_files.py
imports: import argparse
  import os
  from typing import Optional, Tuple
  import numpy
  from PIL import Image
  from torch.utils.data import DataLoader
  from torchvision.datasets.utils import download_url
  from tqdm import tqdm
  from vissl.utils.download import download_and_extract_archive
  from vissl.utils.io import save_file
label_desc: Use image node_id 3 for calling a global function with example usage: clean_label(label) and returns: label