code: def test_get_coefs(self, data):
      model = VW()
      model.fit(data.x, data.y)
      weights = model.get_coefs()
      assert np.allclose(
          weights.indices, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 116060]
      )
  
imports: from collections import namedtuple
  import os
  import numpy
  from packaging import version
  import pandas
  import pytest
  from scipy.sparse import csr_matrix
  from sklearn import datasets, __version__
  from sklearn.model_selection import KFold
  from sklearn.utils.estimator_checks import check_estimator
  from vowpalwabbit.sklearn import VW, VWClassifier, VWRegressor, tovw, VWMultiClassifier, VWRegressor
label_desc: Use image node_id 7 for calling the TestVW obj's underlying member method code with example usage: obj.test_get_coefs(data) without return types