code: def test_preprocessing_dtype(self):
      super(ScalingComponentTest, self)._test_helper(RescalingChoice)
  
file_path: auto-sklearn/test/test_pipeline/components/data_preprocessing/test_scaling.py
imports: import numpy
  import sklearn.datasets
  from autosklearn.pipeline.components.data_preprocessing.rescaling import RescalingChoice
  from autosklearn.pipeline.util import get_dataset
  import unittest
label_desc: Use image node_id 5 for calling the ScalingComponentTest obj's underlying member method code with example usage: obj.test_preprocessing_dtype() without return types