code: def test_kprotoypes_n_nclusters(self):
      data = np.array(
          [[0.0, "Regular"], [0.0, "Regular"], [0.0, "Slim"]]
      )
      kproto_cao = kprototypes.KPrototypes(
          n_clusters=6, init="Cao", verbose=2, random_state=42
      )
      with self.assertRaises(AssertionError):
          kproto_cao.fit_predict(data, categorical=[1])
  
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 15 for calling the TestKProtoTypes obj's underlying member method code with example usage: obj.test_kprotoypes_n_nclusters() without return types