code: def test_is_angle_within_cutoff(self):
      v1 = np.array([1, 0, 0])
      v2 = np.array([-1, 0, 0])
      angle_cutoff = 10
      assert is_angle_within_cutoff(v1, v2, angle_cutoff)
  
file_path: deepchem/deepchem/utils/test/test_geometry_utils.py
imports: import unittest
  import numpy
  from deepchem.utils import geometry_utils
  from deepchem.utils.geometry_utils import unit_vector
  from deepchem.utils.geometry_utils import angle_between
  from deepchem.utils.geometry_utils import compute_pairwise_distances
  from deepchem.utils.geometry_utils import generate_random_unit_vector
  from deepchem.utils.geometry_utils import generate_random_rotation_matrix
  from deepchem.utils.geometry_utils import is_angle_within_cutoff
label_desc: Use image node_id 5 for calling the TestGeometryUtils obj's underlying member method code with example usage: obj.test_is_angle_within_cutoff() without return types