code: def test_renaming_unknown():
      generate_artifacts()
      with open("local_test.txt", "w") as fout:
          fout.write("z")
  
      cmd_args = [
          "yttm",
          "encode",
          f"--model={RENAME_ID_MODEL_FILE}",
          "--output_type=id",
          "--reverse",
          "--n_threads=1",
      ]
      run(
          cmd_args,
          stdin=open("local_test.txt", "r"),
          stdout=open("log.txt", "w"),
          check=True,
      )
  
      file_starts_with("log.txt", "2922")
      os.remove("local_test.txt")
      os.remove("log.txt")
      return
  
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 5 for calling a global function with example usage: test_renaming_unknown() without return types