code: def test_to_dict_with_custom_init_parameters(self):
      transcriber = LocalWhisperTranscriber(
          model="tiny",
          device="cuda",
          whisper_params={
              "return_segments": True,
              "temperature": [0.1, 0.6, 0.8],
          },
      )
      data = transcriber.to_dict()
      assert data == {
          "type": "haystack.components.audio.whisper_local.LocalWhisperTranscriber",
          "init_parameters": {
              "model": "tiny",
              "device": "cuda",
              "whisper_params": {
                  "return_segments": True,
                  "temperature": [0.1, 0.6, 0.8],
              },
          },
      }
  
file_path: haystack/test/components/audio/test_whisper_local.py
imports: import sys
  from pathlib import Path
  from unittest.mock import patch, MagicMock
  import pytest
  import torch
  from haystack.dataclasses import Document, ByteStream
  from haystack.components.audio import LocalWhisperTranscriber
label_desc: Use image node_id 4 for calling the TestLocalWhisperTranscriber obj's underlying member method code with example usage: obj.test_to_dict_with_custom_init_parameters() without return types