code: def setUp(self) -> None:
      super().setUp()
      torch.manual_seed(1)
  
imports: import unittest
  from itertools import product
  import torch
  from pytorch3d.ops import sample_points_from_meshes
  from pytorch3d.ops.ball_query import ball_query
  from pytorch3d.ops.knn import _KNN
  from pytorch3d.utils import ico_sphere
  from .common_testing import get_random_cuda_device, TestCaseMixin
label_desc: Use image node_id 1 for calling the TestBallQuery obj's underlying member method code with example usage: obj.setUp() without return types