code: def test_rmtree_empty_subdir_is_ok(tmpdir: str):
      dir = f"{tmpdir}foo/"
      fs.mkdir(f"{tmpdir}foo/")
      fs.mkdir(f"{tmpdir}foo/bar")
      fs.rmtree(dir)
  
imports: from typing import Generator
  import pytest
  import secrets
  import os
  import hail
  import hailtop.fs
  from hail.context import _get_local_tmpdir
  from hail.utils import hadoop_open, hadoop_copy, hadoop_ls
  from hailtop.utils import secret_alnum_string
  from hail.utils.java import FatalError
  from ..helpers import qobtest
label_desc: Use image node_id 12 for calling a global function with example usage: test_rmtree_empty_subdir_is_ok(tmpdir) without return types