code: def docker_pull(image: str) -> None:
      """
      Pull docker image
      """
      subprocess.run(
          ["docker", "pull", image],
          stdout=sys.stdout,
          stderr=sys.stderr,
          check=True,
      )
  
file_path: ray/ci/ray_ci/utils.py
imports: import base64
  import logging
  import subprocess
  import sys
  import tempfile
  import boto3
  from typing import List
  from math import ceil
  import ci.ray_ci.bazel_sharding
label_desc: Use image node_id 4 for calling a global function with example usage: docker_pull(image) without return types