code: def test_deserialize_cudf_0_16(datadir):
      fname = (
          datadir / "pkl" / "stringColumnWithRangeIndex_cudf_0.16.pkl"
      )
  
      expected = cudf.DataFrame({"a": ["hi", "hello", "world", None]})
      with open(fname, "rb") as f:
          actual = pickle.load(f)
  
      assert_eq(expected, actual)
  
imports: import pickle
  import msgpack
  import numpy
  import pandas
  import pytest
  import cudf
  from cudf.testing import _utils
  from cudf.testing._utils import assert_eq
label_desc: Use image node_id 22 for calling a global function with example usage: test_deserialize_cudf_0_16(datadir) without return types