code: def test_json_encoder_numpy():
      assert dumps(np.array([[1]])) == "[[1]]"
      assert dumps(ExampleGeneric("asdf")) == '"asdf"'
  
imports: from __future__ import annotations
  import asyncio
  import json
  import logging
  import typing
  from dataclasses import dataclass
  from functools import partial
  from typing import TYPE_CHECKING
  import attr
  import numpy
  import pandas
  import pydantic
  import pytest
  from bentoml._internal.io_descriptors.json import DefaultJsonEncoder
  from bentoml._internal.utils import LazyLoader
  from bentoml.exceptions import BadInput
  from bentoml.grpc.utils import import_generated_stubs
  from bentoml.io import JSON
label_desc: Use image node_id 4 for calling a global function with example usage: test_json_encoder_numpy() without return types