code: def test_multithreading():
      generate_artifacts()
      cmd_args = [
          "yttm",
          "encode",
          f"--model={BASE_MODEL_FILE}",
          "--output_type=subword",
          "--n_threads=10",
      ]
      run(
          cmd_args,
          stdin=open(TEST_FILE, "r"),
          stdout=open("log.txt", "w"),
          check=True,
      )
  
file_path: YouTokenToMe/tests/unit_tests/test_cli.py
imports: import os
  import random
  from subprocess import run
  from utils_for_testing import BASE_MODEL_FILE, RENAME_ID_MODEL_FILE, TEST_FILE, TRAIN_FILE, BOS_ID, EOS_ID, file_starts_with, generate_artifacts
label_desc: Use image node_id 3 for calling a global function with example usage: test_multithreading() without return types