code: def test_custom_attributes(tmp_path):
      data = """
  {
    "rasa_nlu_data": {
      "common_examples" : [
        {
          "intent": "happy",
          "text": "I'm happy.",
          "sentiment": 0.8
        }
      ]
    }
  }"""
      f = tmp_path / "tmp_training_data.json"
      f.write_text(data, rasa.shared.utils.io.DEFAULT_ENCODING)
      td = load_data(str(f))
      assert len(td.training_examples) == 1
      example = td.training_examples[0]
      assert example.get("sentiment") == 0.8
  
imports: from pathlib import Path
  from typing import Text, List, Dict, Any
  from unittest.mock import Mock
  from _pytest.monkeypatch import MonkeyPatch
  import pytest
  import numpy
  import rasa.shared.utils.io
  from rasa.shared.core.constants import USER_INTENT_OUT_OF_SCOPE
  from rasa.shared.nlu.constants import TEXT, INTENT_RESPONSE_KEY, ENTITY_ATTRIBUTE_START, ENTITY_ATTRIBUTE_END, ENTITY_ATTRIBUTE_VALUE, ENTITY_ATTRIBUTE_TYPE, ENTITIES, INTENT, ACTION_NAME, FEATURE_TYPE_SENTENCE
  from rasa.nlu.convert import convert_training_data
  from rasa.nlu.extractors.mitie_entity_extractor import MitieEntityExtractor
  from rasa.nlu.tokenizers.whitespace_tokenizer import WhitespaceTokenizer
  from rasa.shared.nlu.training_data.features import Features
  from rasa.shared.nlu.training_data.message import Message
  from rasa.shared.nlu.training_data.training_data import TrainingData
  from rasa.shared.nlu.training_data.loading import guess_format, UNK, load_data
  from rasa.shared.nlu.training_data.util import get_file_format_extension, template_key_to_intent_response_key, intent_response_key_to_template_key
  import rasa.shared.data
  from rasa.shared.core.domain import Domain
  from rasa.shared.core.events import UserUttered, ActionExecuted
  from rasa.shared.core.training_data.structures import StoryGraph, StoryStep
  from rasa.shared.importers.importer import TrainingDataImporter, E2EImporter
label_desc: Use image node_id 28 for calling a global function with example usage: test_custom_attributes(tmp_path) without return types