code: def regularize_tangent_vec_vec_test_data(self):
      return self.generate_vec_data()
  
imports: import geomstats.backend
  from geomstats.test.data import TestData
  from .base import LevelSetTestData
  from .invariant_metric import InvariantMetricMatrixTestData
  from .lie_group import LieGroupTestData, MatrixLieGroupTestData
  from .mixins import ProjectionMixinsTestData
label_desc: Use image node_id 3 for calling the SpecialEuclideanVectorsTestData obj's underlying member method code with example usage: obj.regularize_tangent_vec_vec_test_data() and returns: self