code: def trial_keeper_help_info(*args):
      print("please run --help to see guidance")
  
imports: import argparse
  import ctypes
  import json
  import logging
  import os
  import re
  import shlex
  import sys
  import threading
  import time
  from subprocess import Popen
  import pkg_resources
  from pyhdfs import HdfsClient
  from .constants import LOG_DIR, MULTI_PHASE, NNI_EXP_ID, NNI_PLATFORM, NNI_SYS_DIR, NNI_TRIAL_JOB_ID
  from .hdfsClientUtility import copyDirectoryToHdfs, copyHdfsDirectoryToLocal, copyHdfsFileToLocal
  from .log_utils import LogType, RemoteLogger, StdOutputType, nni_log
  from .rest_utils import rest_get, rest_post
  from .url_utils import gen_parameter_meta_url, gen_send_version_url
label_desc: Use image node_id 3 for calling a global function with example usage: trial_keeper_help_info() without return types