code: def find_wasi_sdk():
      """Find the path to wasi-sdk."""
      if wasi_sdk_path := os.environ.get("WASI_SDK_PATH"):
          return pathlib.Path(wasi_sdk_path)
      elif (default_path := pathlib.Path("/opt/wasi-sdk")).exists():
          return default_path
  
imports: import argparse
  import contextlib
  import functools
  import os
  import pathlib
  import shutil
  import subprocess
  import sys
  import sysconfig
  import tempfile
label_desc: Use image node_id 8 for calling a global function with example usage: find_wasi_sdk() and returns: pathlib, default_path