code: def test_read_hdf_doesnt_segfault():
      pytest.importorskip("tables")
      with tmpfile("h5") as fn:
          N = 40
          df = pd.DataFrame(np.random.randn(N, 3))
          with pd.HDFStore(fn, mode="w") as store:
              store.append("/x", df)
  
          ddf = dd.read_hdf(fn, "/x", chunksize=2)
          assert len(ddf) == N
  
imports: from __future__ import annotations
  import os
  import pathlib
  from time import sleep
  import numpy
  import pandas
  import pytest
  from packaging.version import Version
  import dask
  import dask.dataframe
  from dask._compatibility import PY_VERSION
  from dask.dataframe._compat import tm
  from dask.dataframe.optimize import optimize_dataframe_getitem
  from dask.dataframe.utils import assert_eq
  from dask.layers import DataFrameIOLayer
  from dask.utils import dependency_depth, tmpdir, tmpfile
label_desc: Use image node_id 20 for calling a global function with example usage: test_read_hdf_doesnt_segfault() without return types