code: def test_serialize_deserialize_group():
      with tmpfile() as fn:
          with h5py.File(fn, mode="a") as f:
              f.create_dataset(
                  "/group1/group2/x", shape=(2, 2), dtype="i4"
              )
          with h5py.File(fn, mode="r") as f:
              group = f["/group1/group2"]
              group2 = deserialize(*serialize(group))
  
              assert isinstance(group2, h5py.Group)
              assert group.file.filename == group2.file.filename
  
              assert group2["x"].shape == (2, 2)
  
file_path: distributed/distributed/protocol/tests/test_h5py.py
imports: from __future__ import annotations
  import functools
  import traceback
  import pytest
  from dask.utils import tmpfile
  from distributed.protocol import deserialize, serialize
  import dask.array
  from distributed.utils_test import gen_cluster
label_desc: Use image node_id 3 for calling a global function with example usage: test_serialize_deserialize_group() without return types