code: def setUpClass(cls):
      ray.init()
  
file_path: ray/python/ray/rllib/algorithms/bc/tests/test_bc.py
imports: import os
  from pathlib import Path
  import unittest
  import ray
  import ray.rllib.algorithms.bc
  from ray.rllib.utils.test_utils import check_compute_single_action, check_train_results, framework_iterator
label_desc: Use image node_id 1 for calling the TestBC obj's underlying member method code with example usage: obj.setUpClass(cls) without return types