code: def test_train_scores(self):
      assert_equal(
          len(self.clf.decision_scores_), self.X_train.shape[0]
      )
      assert_allclose(
          self.clf.decision_scores_, self.clf_.decision_scores_
      )
  
imports: from __future__ import division
  from __future__ import print_function
  import os
  import sys
  import unittest
  from numpy.testing import assert_allclose
  from numpy.testing import assert_array_less
  from numpy.testing import assert_equal
  from numpy.testing import assert_raises
  from scipy.stats import rankdata
  from sklearn.base import clone
  from sklearn.metrics import roc_auc_score
  from pyod.models.ecod import ECOD
  from pyod.utils.data import generate_data
label_desc: Use image node_id 4 for calling the TestCOPODParallel obj's underlying member method code with example usage: obj.test_train_scores() without return types