code: def try_import_html5lib():
      """Try import html5lib at runtime.
  
      Returns
      -------
      html5lib module if found. Raise ImportError otherwise
  
      """
      msg = (
          "html5lib is required, you can install by package manager, "
          "e.g. pip install html5lib --user` (note that this is unofficial PYPI package)."
      )
      return try_import("html5lib", msg)
  
imports: import os
  import errno
  import contextlib
  from pathlib import Path
  import tarfile
  import zipfile
label_desc: Use image node_id 11 for calling a global function with example usage: try_import_html5lib() and returns: try_import