code: def __init__(self):
      self.n = 0
  
file_path: ray/python/ray/tests/test_placement_group_failover.py
imports: import pytest
  import sys
  import ray
  import ray.cluster_utils
  from ray._private.test_utils import get_other_nodes, wait_for_condition
label_desc: Use image node_id 1 to create a new Actor object from inherited base classes: object with example: obj = Actor()