code: def load_interface(spec):
      """Load and return the class for `spec`.
  
      Parameters
      ----------
      spec : tuple
          For a standard interface, the first item is the datalad source module
          and the second object name for the interface.
  
      Returns
      -------
      The interface class or, if importing the module fails, None.
      """
      lgr.log(5, "Importing module %s ", spec[0])
      try:
          mod = import_module(spec[0], package="datalad")
      except Exception as e:
          ce = CapturedException(e)
          lgr.error(
              "Internal error, cannot import interface '%s': %s",
              spec[0],
              ce,
          )
          intf = None
      else:
          intf = getattr(mod, spec[1])
      return intf
  
imports: import inspect
  import logging
  import os
  import re
  import textwrap
  import warnings
  from abc import ABC, abstractmethod
  from functools import wraps
  from importlib import import_module
  from typing import Callable, Dict, Generator, TypeVar, TYPE_CHECKING
  import datalad
  from datalad import cfg
  from datalad.core.local.resulthooks import get_jsonhooks_from_config, match_jsonhook2result, run_jsonhook
  from datalad.distribution.dataset import Dataset, resolve_path
  from datalad.interface.common_opts import eval_params
  from datalad.interface.results import known_result_xfms
  from datalad.interface.utils import get_result_filter, keep_result, render_action_summary, xfm_result, _process_results
  from datalad.support.exceptions import CapturedException, IncompleteResultsError
  from datalad.utils import get_wrapped_class
label_desc: Use image node_id 4 for calling a global function with example usage: load_interface(spec) and returns: intf