code: def inducing_variable() -> iv.InducingVariables:
      return iv.InducingPoints(Z)
  
imports: from typing import Any, Callable, Iterable, Mapping, Optional, Sequence
  import numpy
  import pytest
  import tensorflow
  from numpy.testing import assert_allclose
  from tensorflow import convert_to_tensor
  import gpflow
  import gpflow.inducing_variables
  import gpflow.kernels
  from gpflow import mean_functions
  from gpflow.base import AnyNDArray
  from gpflow.config import default_float
  from gpflow.expectations import expectation, quadrature_expectation
  from gpflow.probability_distributions import DiagonalGaussian, Gaussian, MarkovGaussian, ProbabilityDistribution
label_desc: Use image node_id 5 for calling a global function with example usage: inducing_variable() and returns: iv