code: def now():
      from datetime import datetime
  
      return datetime.now().strftime("%Y%m%d%H%M")[:-1]
  
imports: import io
  import json
  import logging
  import os
  import pickle
  import re
  import shutil
  import tarfile
  import urllib
  import urllib.error
  import urllib.request
  from typing import Optional
  from urllib.parse import urlparse
  import numpy
  import pandas
  import yaml
  from iopath.common.download import download
  from iopath.common.file_io import file_lock, g_pathmgr
  from lavis.common.dist_utils import download_cached_file
  from lavis.common.registry import registry
  from torch.utils.model_zoo import tqdm
  from torchvision.datasets.utils import check_integrity, download_file_from_google_drive, extract_archive
label_desc: Use image node_id 1 for calling a global function with example usage: now() and returns: datetime