code: def create_gcs_channel(address: str, aio=False):
      """Returns a GRPC channel to GCS.
  
      Args:
          address: GCS address string, e.g. ip:port
          aio: Whether using grpc.aio
      Returns:
          grpc.Channel or grpc.aio.Channel to GCS
      """
      from ray._private.utils import init_grpc_channel
  
      return init_grpc_channel(
          address, options=_GRPC_OPTIONS, asynchronous=aio
      )
  
file_path: ray/python/ray/_private/gcs_utils.py
imports: import logging
  from typing import Optional
  from ray._private import ray_constants
  import ray._private.gcs_aio_client
  from ray.core.generated.common_pb2 import ErrorType, JobConfig
  from ray.core.generated.gcs_pb2 import ActorTableData, AvailableResources, ErrorTableData, GcsEntry, GcsNodeInfo, JobTableData, ObjectTableData, PlacementGroupTableData, PubSubMessage, ResourceDemand, ResourceLoad, ResourcesData, ResourceUsageBatchData, TablePrefix, TablePubsub, TaskEvents, WorkerTableData
label_desc: Use image node_id 1 for calling a global function with example usage: create_gcs_channel(address, aio) and returns: init_grpc_channel