code: def format_file(filename: Path) -> None:
      status, output = subprocess.getstatusoutput(f"black {filename}")
      assert status == 0, f"Error: {output}"
  
file_path: wandb/tools/generate-tool.py
imports: import argparse
  import contextlib
  import filecmp
  import os
  import subprocess
  import tempfile
  from pathlib import Path, PurePath
  from typing import Iterator, List
label_desc: Use image node_id 4 for calling a global function with example usage: format_file(filename) without return types