code: def test_numpy_deserializer_from_json_alpha():
      numpy_deserializer = NumpyDeserializer(dtype="U5")
      stream = io.BytesIO(b'[["hello",2,3],\n[4,5,6]]')
      array = numpy_deserializer.deserialize(stream, "application/json")
      assert np.array_equal(
          array, np.array([["hello", 2, 3], [4, 5, 6]])
      )
  
imports: from __future__ import absolute_import
  import io
  import json
  import numpy
  import pandas
  import pytest
  from sagemaker.deserializers import StringDeserializer, BytesDeserializer, CSVDeserializer, StreamDeserializer, NumpyDeserializer, JSONDeserializer, PandasDeserializer, JSONLinesDeserializer
label_desc: Use image node_id 15 for calling a global function with example usage: test_numpy_deserializer_from_json_alpha() without return types