code: def test_file_io_mkdirs(self):
      dir_path = os.path.join(self._tmpdir, "test_dir")
      PathManager.mkdirs(dir_path)
      self.assertTrue(os.path.isdir(dir_path))
  
file_path: mmf/tests/utils/test_file_io.py
imports: import os
  import shutil
  import tempfile
  import unittest
  import uuid
  from typing import Optional
  from mmf.utils.file_io import PathManager
label_desc: Use image node_id 6 for calling the TestFileIO obj's underlying member method code with example usage: obj.test_file_io_mkdirs() without return types