code: def building_with_sanitizers() -> bool:
      """Returns True when the IGRAPH_USE_SANITIZERS envvar is set, indicating that
      we want to build the Python interface with AddressSanitizer and LeakSanitizer
      enabled. Currently works on Linux only and the primary use-case is to be able
      to test igraph with sanitizers in CI.
      """
      return platform.system() == "Linux" and is_envvar_on(
          "IGRAPH_USE_SANITIZERS"
      )
  
imports: import os
  import platform
  import sys
  from setuptools import find_packages, setup, Command, Extension
  import glob
  import shlex
  import shutil
  import subprocess
  import sysconfig
  from contextlib import contextmanager
  from pathlib import Path
  from select import select
  from shutil import which
  from time import sleep
  from typing import List, Iterable, Iterator, Optional, Tuple, TypeVar, Union
label_desc: Use image node_id 4 for calling a global function with example usage: building_with_sanitizers() and returns: unknown