code: def test_kprotoypes_missings(self):
      init_vals = [
          np.array([[356.975], [275.35], [738.5], [np.NaN]]),
          np.array([[3, 2], [0, 2], [3, 2], [2, 2]]),
      ]
      kproto_init = kprototypes.KPrototypes(
          n_clusters=4, init=init_vals, verbose=2
      )
      with self.assertRaises(ValueError):
          kproto_init.fit_predict(STOCKS, categorical=[1, 2])
  
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 12 for calling the TestKProtoTypes obj's underlying member method code with example usage: obj.test_kprotoypes_missings() without return types