code: def test_dont_fuse_numpy_arrays():
      """
      Some types should stay in the graph bare
  
      This helps with things like serialization
      """
      np = pytest.importorskip("numpy")
      dsk = {"x": np.arange(5), "y": (inc, "x")}
  
      assert fuse(dsk, "y")[0] == dsk
  
imports: from __future__ import annotations
  import itertools
  import pickle
  from functools import partial
  import pytest
  import dask
  from dask.base import tokenize
  from dask.core import get_dependencies
  from dask.local import get_sync
  from dask.optimization import SubgraphCallable, cull, functions_of, fuse, fuse_linear, inline, inline_functions
  from dask.utils import apply, partial_by_order
  from dask.utils_test import add, inc
label_desc: Use image node_id 28 for calling a global function with example usage: test_dont_fuse_numpy_arrays() without return types