code: def bytes_convert(size: int):
      if size / 1024 < 1024:
          return f"{(size / 1024):<.2f}K"
      if size / 1024**2 < 1024:
          return f"{(size / 1024**2):<.2f}M"
      else:
          return f"{(size / 1024**3):<.2f}G"
  
imports: import os
  import re
  import zipfile
  import tarfile
  import requests
  import logging
  import pandas
  import numpy
  from bigdl.chronos.data.tsdataset import TSDataset
  from bigdl.nano.utils.common import invalidInputError
label_desc: Use image node_id 2 for calling a global function with example usage: bytes_convert(size) and returns: unknown, str, unknown, str, unknown, str