code: def test_as_rotvec_single_1d_input():
      quat = np.array([1, 2, -3, 2])
      expected_rotvec = np.array([0.5772381, 1.1544763, -1.7317144])
  
      actual_rotvec = Rotation.from_quat(quat).as_rotvec()
  
      assert_equal(actual_rotvec.shape, (3,))
      assert_allclose(actual_rotvec, expected_rotvec)
  
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 24 for calling a global function with example usage: test_as_rotvec_single_1d_input() without return types