code: def check_nvtx(compiler, settings):
      if PLATFORM_WIN32:
          if _environment.get_nvtx_path() is None:
              utils.print_warning("NVTX unavailable")
              return False
      return True
  
imports: import contextlib
  import os
  import re
  import shlex
  import shutil
  import subprocess
  import sys
  import tempfile
  from typing import List, Set
  import cupy_builder
  import cupy_builder.install_utils
  from cupy_builder import _environment
  from cupy_builder._context import Context
label_desc: Use image node_id 20 for calling a global function with example usage: check_nvtx(compiler, settings) and returns: True, False