code: def try_import_dali():
      """Try import NVIDIA DALI at runtime."""
      try:
          dali = __import__(
              "nvidia.dali", fromlist=["pipeline", "ops", "types"]
          )
          dali.Pipeline = dali.pipeline.Pipeline
      except (ImportError, RuntimeError) as e:
          if isinstance(e, ImportError):
              msg = "DALI not found, please check if you installed it correctly."
          elif isinstance(e, RuntimeError):
              msg = "No CUDA-capable device is detected ({}).".format(e)
  
          class dali:
              class Pipeline:
                  def __init__(self):
                      raise NotImplementedError(msg)
  
      return dali
  
imports: import os
  import errno
  import contextlib
  from pathlib import Path
  import tarfile
  import zipfile
label_desc: Use image node_id 10 for calling a global function with example usage: try_import_dali() and returns: dali