code: def _test_plugin_in_tmp_dir(self, lib_path, dali_stub, test_fn):
      lib_name = os.path.basename(lib_path)
      dali_stub_name = os.path.basename(dali_stub)
      print("Importing the DALI TF library to check for errors")
  
      # The DALI TF lib and the DALI stub lib should be at the same directory for
      # check_load_plugin to succeed. Unfortunately the copy is necessary because we
      # can't change LD_LIBRARY_PATH from within the script
      with tempfile.TemporaryDirectory(
          prefix="check_load_plugin_tmp"
      ) as tmpdir:
          lib_path_tmpdir = os.path.join(tmpdir, lib_name)
          copyfile(lib_path, lib_path_tmpdir)
  
          dali_stub_tmpdir = os.path.join(tmpdir, dali_stub_name)
          copyfile(dali_stub, dali_stub_tmpdir)
  
          try:
              print("Loading DALI TF library: ", lib_path_tmpdir)
              # try in a separate process just in case it recives SIGV
              p = Process(target=test_fn, args=(lib_path_tmpdir,))
              p.start()
              p.join(5)
              ret = p.exitcode
              if ret is None:
                  p.terminate()
                  p.join()
              return ret == 0
          except Exception as e:
              print("Failed to import TF library: ", str(e))
              return False
  
imports: import platform
  from shutil import copyfile
  from dali_tf_plugin_utils import get_module_path, is_conda_env, get_tf_version, get_tf_compiler_version, get_cpp_compiler, get_cpp_compiler_version, which, find, find_available_prebuilt_tf, get_cuda_build_flags, get_tf_build_flags
  import os
  from distutils.version import StrictVersion, LooseVersion
  from pathlib import Path
  import tempfile
  from stubgen import stubgen
  from multiprocessing import Process
  import subprocess
label_desc: Use image node_id 3 for calling the InstallerHelper obj's underlying member method code with example usage: obj._test_plugin_in_tmp_dir(lib_path, dali_stub, test_fn) and returns: unknown, False