code: def timeout(time):
      # Register a function to raise a TimeoutError on the signal.
      signal.signal(signal.SIGALRM, raise_timeout)
      # Schedule the signal to be sent after ``time``.
      signal.alarm(time)
  
      try:
          yield
      finally:
          # Unregister the signal so that it won't be triggered
          # if the timeout is not reached.
          signal.signal(signal.SIGALRM, signal.SIG_IGN)
  
imports: from metaflow.client import Task
  from metaflow import JSONType, namespace
  from metaflow.util import resolve_identity
  from metaflow.exception import CommandException, MetaflowNotFound, MetaflowNamespaceMismatch
  import webbrowser
  import re
  from metaflow._vendor import click
  import os
  import json
  import uuid
  import signal
  import random
  from contextlib import contextmanager
  from functools import wraps
  from metaflow.exception import MetaflowNamespaceMismatch
  from .card_datastore import CardDatastore, NUM_SHORT_HASH_CHARS
  from .exception import CardClassFoundException, IncorrectCardArgsException, UnrenderableCardException, CardNotPresentException, TaskNotFoundException
  import traceback
  from collections import namedtuple
  from .card_resolver import resolve_paths_from_task, resumed_info
label_desc: Use image node_id 4 for calling a global function with example usage: timeout(time) without return types