code: def test_sizeof_fmt() -> None:
      assert det.common.util.sizeof_fmt(1024) == "1.0KB"
      assert det.common.util.sizeof_fmt(36) == "36.0B"
  
file_path: determined/harness/tests/test_util.py
imports: import os
  import pathlib
  from typing import Optional
  import numpy
  import pytest
  import determined
  from determined import util
  from tests import filetree
label_desc: Use image node_id 3 for calling a global function with example usage: test_sizeof_fmt() without return types