code: def test_as_json_dict_outputs_valid_json():
      non_compliant_json = {
          "a": float("nan"),
          "k": float("infinity"),
          "b": {
              "c": float("nan"),
              "d": "testing",
              "e": float("-infinity"),
              "f": float("infinity"),
              "g": {"h": float("nan")},
          },
      }
  
      with pytest.raises(ValueError):
          json.dumps(non_compliant_json, allow_nan=False)
  
      json.dumps(encode_json(non_compliant_json), allow_nan=False)
  
imports: import json
  import logging
  import sys
  from typing import ContextManager
  import numpy
  import pytest
  from gluonts.core.component import equals
  from gluonts.dataset.jsonl import encode_json
  from gluonts.model.trivial.mean import MeanPredictor
  from gluonts.shell.env import ServeEnv, TrainEnv
  from gluonts.shell.train import run_train_and_test
label_desc: Use image node_id 10 for calling a global function with example usage: test_as_json_dict_outputs_valid_json() without return types