code: def parallel_download():
      """
      Perform parallel download of files using `using ThreadPoolExecutor`.
      """
      with ThreadPoolExecutor() as executor:
          futures = []
          for file_url in BLOB_NAMES:
              for split in SPLIT_LIST:
                  if split in file_url:
                      split_name = split
              split_path = os.path.join(COMPRESSED_PATH, split_name)
              if not os.path.exists(split_path):
                  os.makedirs(split_path)
              if not os.path.exists(DECOMPRESSED_PATH):
                  os.makedirs(DECOMPRESSED_PATH)
  
              filename = file_url.split("/")[-1]
              download_path = os.path.join(split_path, filename)
              download_url = AZURE_URL + "/" + file_url
  
              if not validate_file(download_url, download_path):
                  if os.path.exists(download_path):
                      resume_byte_pos = os.path.getsize(download_path)
                  else:
                      resume_byte_pos = None
                  args = (
                      download_url,
                      download_path,
                      split_name,
                      filename,
                      resume_byte_pos,
                  )
                  futures.append(
                      executor.submit(download_file_parallel, args)
                  )
                  # download_file(download_url, download_path, split_name, filename)
                  # decompress_file(download_path, DECOMPRESSED_PATH)
              else:
                  print(", \tDownload complete. Skipping")
                  decompress_file(
                      download_path, DECOMPRESSED_PATH, split_name
                  )
  
          for future in futures:
              future.result()
  
      # Download RIR (impulse response) & BLIND testset
      rir_blind_test_download()
  
file_path: speechbrain/recipes/DNS/dns_download.py
imports: import os
  import ssl
  import shutil
  import zipfile
  import tarfile
  import certifi
  import argparse
  import fileinput
  import requests
  import urllib.request
  from tqdm.auto import tqdm
  from concurrent.futures import ThreadPoolExecutor
label_desc: Use image node_id 5 for calling a global function with example usage: parallel_download() without return types