code: def test_from_single_3d_dcm():
      dcm = np.array([[0, 0, 1], [1, 0, 0], [0, 1, 0]]).reshape(
          (1, 3, 3)
      )
      expected_quat = np.array([0.5, 0.5, 0.5, 0.5]).reshape((1, 4))
      assert_array_almost_equal(
          Rotation.from_dcm(dcm).as_quat(), expected_quat
      )
  
imports: from __future__ import division, print_function, absolute_import
  import pytest
  import numpy
  from numpy.testing import assert_equal, assert_array_almost_equal
  from numpy.testing import assert_allclose
  from scipy.spatial.transform import Rotation, Slerp
  from scipy.stats import special_ortho_group
  from itertools import permutations
label_desc: Use image node_id 13 for calling a global function with example usage: test_from_single_3d_dcm() without return types