class_docstr: Lazily import module/extension.
class_docstr_tok: ["Lazily","import","module\/extension","."]
code: def is_available(self):
      try:
          self._import_once()
      except Exception:
          return False
      return True
  
imports: import importlib
  import logging
  import os
  import types
  from pathlib import Path
  import torch
  from torchaudio._internal.module_utils import eval_env
label_desc: Use image node_id 6 for calling the _LazyImporter obj's underlying member method code with example usage: obj.is_available() and returns: True, False