code: def _diagnose_import_error() -> str:
      # TODO(kmaehashi): provide better diagnostics.
      msg = """\
  Failed to import CuPy.
  
  If you installed CuPy via wheels (cupy-cudaXXX or cupy-rocm-X-X), make sure that the package matches with the version of CUDA or ROCm installed.
  
  On Linux, you may need to set LD_LIBRARY_PATH environment variable depending on how you installed CUDA/ROCm.
  On Windows, try setting CUDA_PATH environment variable.
  
  Check the Installation Guide for details:
    https://docs.cupy.dev/en/latest/install.html"""  # NOQA
  
      if sys.platform == "win32":
          try:
              msg += _diagnose_win32_dll_load()
          except Exception as e:
              msg += (
                  "\n\nThe cause could not be identified: "
                  f"{type(e).__name__}: {e}"
              )
  
      return msg
  
imports: import ctypes
  import importlib.metadata
  import json
  import os
  import os.path
  import re
  import shutil
  import sys
  from typing import Any, Dict, List, Optional, Tuple
  import warnings
label_desc: Use image node_id 23 for calling a global function with example usage: _diagnose_import_error() and returns: msg