code: def test_numpy_serializer_object(numpy_serializer):
      object = {1, 2, 3}
  
      result = numpy_serializer.serialize(object)
  
      assert np.array_equal(
          np.array(object),
          np.load(io.BytesIO(result), allow_pickle=True),
      )
  
imports: from __future__ import absolute_import
  import io
  import json
  import os
  import numpy
  import pytest
  import scipy.sparse
  from sagemaker.serializers import CSVSerializer, NumpySerializer, JSONSerializer, IdentitySerializer, SparseMatrixSerializer, JSONLinesSerializer, LibSVMSerializer, DataSerializer
  from tests.unit import DATA_DIR
label_desc: Use image node_id 19 for calling a global function with example usage: test_numpy_serializer_object(numpy_serializer) without return types