code: def test_object3d_look_at():
      obj = objects.Object3D()
      obj.look_at((0, 0, 1))
      assert_allclose(obj.quaternion, (0, 0, 1, 0), atol=1e-6)
  
imports: import re
  import pytest
  import numpy
  from numpy.testing import assert_allclose
  import pyquaternion
  from traitlets import TraitError
  from unittest import mock
  from kubric.core import Asset
  from kubric.core import UndefinedAsset
  from kubric.core import objects
  from kubric.core import materials
label_desc: Use image node_id 15 for calling a global function with example usage: test_object3d_look_at() without return types