code: def check_plugin(self, plugin_path, dali_stub_path):
      dali_available = True
      try:
          import nvidia.dali as dali
  
          assert dali
      except ImportError:
          dali_available = False
  
      if dali_available:
          # If DALI is available, test the plugin
          return self.test_plugin(plugin_path, dali_stub_path)
      else:
          # If DALI not available, at least check loading to TF
          return self.check_load_plugin(plugin_path, dali_stub_path)
  
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 6 for calling the InstallerHelper obj's underlying member method code with example usage: obj.check_plugin(plugin_path, dali_stub_path) and returns: self, self