code: def is_running(self, node_id: str):
      with self.lock:
          node = self._get_cached_node(node_id)
          return node.is_running()
  
imports: import copy
  import logging
  import time
  from functools import wraps
  from threading import RLock
  from types import ModuleType
  from typing import Any, Dict, List, Optional, Tuple
  import googleapiclient
  from ray.autoscaler._private.gcp.config import bootstrap_gcp, construct_clients_from_provider_config, get_node_type, tpu_accelerator_config_to_type
  from ray.autoscaler._private.gcp.node import GCPTPU
  from ray.autoscaler._private.gcp.node import GCPCompute, GCPNode, GCPNodeType, GCPResource
  from ray.autoscaler._private.gcp.tpu_command_runner import TPUCommandRunner
  from ray.autoscaler.command_runner import CommandRunnerInterface
  from ray.autoscaler.node_provider import NodeProvider
label_desc: Use image node_id 5 for calling the GCPNodeProvider obj's underlying member method code with example usage: obj.is_running(node_id) and returns: node