code: def test_if_meka_classification_works_on_dense_input(self):
      self.assertClassifierWorksWithSparsity(self.classifier(), "dense")
  
file_path: scikit-multilearn/skmultilearn/ext/tests/test_meka.py
imports: import unittest
  import os
  from skmultilearn.ext import Meka, download_meka
  from skmultilearn.tests.classifier_basetest import ClassifierBaseTest
  from skmultilearn.ext.meka import SUPPORTED_VERSION
  from skmultilearn.dataset import clear_data_home
label_desc: Use image node_id 3 for calling the MekaTest obj's underlying member method code with example usage: obj.test_if_meka_classification_works_on_dense_input() without return types