code: def test_scalar_curvature(self, base_point, expected, atol):
      res = self.space.metric.scalar_curvature(base_point)
      self.assertAllClose(res, expected, atol=atol)
  
imports: import math
  import pytest
  import geomstats.backend
  from geomstats.geometry.spd_matrices import SPDMatrices
  from geomstats.test_cases.geometry.connection import ConnectionComparisonTestCase, ConnectionTestCase
  from geomstats.vectorization import get_batch_shape
label_desc: Use image node_id 31 for calling the RiemannianMetricTestCase obj's underlying member method code with example usage: obj.test_scalar_curvature(base_point, expected, atol) without return types