code: def test_k_prototypes_sample_weight_not_enough_non_zero(self):
      kproto = kprototypes.KPrototypes(
          n_clusters=2, init="Cao", random_state=42
      )
      sample_weight = np.zeros(STOCKS.shape[0])
      sample_weight[0] = 1
      with self.assertRaisesRegex(
          ValueError,
          "Number of non-zero sample_weight elements should be larger "
          "than the number of clusters.",
      ):
          kproto.fit(
              STOCKS, categorical=[1, 2], sample_weight=sample_weight
          )
  
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 26 for calling the TestKProtoTypes obj's underlying member method code with example usage: obj.test_k_prototypes_sample_weight_not_enough_non_zero() without return types