class_docstr: Unit test Smart Predictor class
class_docstr_tok: ["Unit","test","Smart","Predictor","class"]
docstr: Unit test check y pred 2
docstr_tok: ["Unit","test","check","y","pred","2"]
code: def test_check_ypred_2(self):
      """
      Unit test check y pred 2
      """
      y_pred = pd.DataFrame(
          data=np.array(["1", 0, 0, 1, 0]), columns=["Y"]
      )
      predictor_1 = self.predictor_1
      predictor_1.data = {
          "x": None,
          "ypred": None,
          "contributions": None,
      }
      predictor_1.data["x"] = self.df_1
  
      with self.assertRaises(ValueError):
          predictor_1.check_ypred(y_pred)
  
imports: import unittest
  from shapash.explainer.smart_predictor import SmartPredictor
  from shapash import SmartExplainer
  from shapash.explainer.smart_state import SmartState
  from shapash.explainer.multi_decorator import MultiDecorator
  from shapash.backend import ShapBackend
  import os
  from os import path
  from pathlib import Path
  import pandas
  import numpy
  import catboost
  from catboost import Pool
  import category_encoders
  from unittest.mock import patch
  import types
  from sklearn.compose import ColumnTransformer
  import sklearn.preprocessing
  import shap
label_desc: Use image node_id 16 for calling the TestSmartPredictor obj's underlying member method code with example usage: obj.test_check_ypred_2() without return types