code: def test_reduction_on_scalar():
      x = da.from_array(np.array(1.0), chunks=())
      assert (x == x).all()
  
imports: from __future__ import annotations
  import os
  import warnings
  from contextlib import nullcontext
  from itertools import permutations, zip_longest
  import pytest
  import itertools
  import dask.array
  import dask.config
  from dask.array.numpy_compat import ComplexWarning, _numpy_122
  from dask.array.utils import assert_eq, same_keys
  from dask.core import get_deps
label_desc: Use image node_id 22 for calling a global function with example usage: test_reduction_on_scalar() without return types