code: def test_incorrect_radius_handling(self):
      # an exception should be raised if the radius provided
      # cannot possibly match the input generators
      with assert_raises(ValueError):
          SphericalVoronoi(self.points, radius=0.98)
  
imports: import numpy
  import itertools
  from numpy.testing import assert_equal, assert_almost_equal, assert_array_equal, assert_array_almost_equal
  import pytest
  from pytest import raises
  from scipy.spatial import SphericalVoronoi, distance
  from scipy.optimize import linear_sum_assignment
  from scipy.constants import golden
  from scipy.special import gamma
label_desc: Use image node_id 12 for calling the TestSphericalVoronoi obj's underlying member method code with example usage: obj.test_incorrect_radius_handling() without return types