code: def test_compute_centroid(self):
      N = 10
      coords = np.random.rand(N, 3)
      centroid = geometry_utils.compute_centroid(coords)
      assert centroid.shape == (3,)
  
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 7 for calling the TestGeometryUtils obj's underlying member method code with example usage: obj.test_compute_centroid() without return types