code: def test_run_explainer(self):
      for model in self.model_list:
          print(type(model))
          model.fit(self.x_df, self.y_df)
          backend_xpl = ShapBackend(model)
          explain_data = backend_xpl.run_explainer(self.x_df)
          assert explain_data is not None
  
file_path: shapash/tests/unit_tests/backend/test_shap_backend.py
imports: import unittest
  import numpy
  import pandas
  import sklearn.ensemble
  import xgboost
  import lightgbm
  import catboost
  from shapash.backend.shap_backend import ShapBackend
label_desc: Use image node_id 3 for calling the TestShapBackend obj's underlying member method code with example usage: obj.test_run_explainer() without return types