code: def test_pipeline_kernel_shap_base_value(
      classifier_pipeline_kernel_explainer,
  ):
      assert isinstance(
          classifier_pipeline_kernel_explainer.shap_base_value(),
          (np.floating, float),
      )
  
imports: import pytest
  import pandas
  import numpy
label_desc: Use image node_id 15 for calling a global function with example usage: test_pipeline_kernel_shap_base_value(classifier_pipeline_kernel_explainer) without return types