code: def test_kprototypes_predict_unfitted(self):
      kproto_cao = kprototypes.KPrototypes(
          n_clusters=4, init="Cao", verbose=2, random_state=42
      )
      with self.assertRaises(AssertionError):
          kproto_cao.predict(STOCKS)
      with self.assertRaises(AttributeError):
          kproto_cao.cluster_centroids_
  
imports: import pickle
  import unittest
  import numpy
  import pandas
  from kmodes import kprototypes
  from kmodes.tests.test_kmodes import assert_cluster_splits_equal
  from kmodes.util.dissim import ng_dissim
label_desc: Use image node_id 9 for calling the TestKProtoTypes obj's underlying member method code with example usage: obj.test_kprototypes_predict_unfitted() without return types