code: def setup(self):
      def make_vecs_vals(shape):
          return (
              np.random.randn(*shape),
              np.random.randn(*(shape[:-2] + shape[-1:])),
          )
  
      shape = (10, 12, 3, 3)
      self.evecs, self.evals = make_vecs_vals(shape)
  
file_path: dipy/benchmarks/benchmarks/bench_reconst.py
imports: import numpy
  from dipy.core.sphere import unique_edges
  from dipy.core.gradients import GradientTable
  from dipy.data import default_sphere, read_stanford_labels
  from dipy.io.image import load_nifti_data
  from dipy.reconst.csdeconv import ConstrainedSphericalDeconvModel
  from dipy.reconst.recspeed import local_maxima
  from dipy.reconst.vec_val_sum import vec_val_vect
label_desc: Use image node_id 1 for calling the BenchVecValSum obj's underlying member method code with example usage: obj.setup() and returns: np,  np