code: def _ray_job_submit(exp_path: pathlib.Path, port: int = 8265) -> None:
      return ray_utils.ray_job_submit(
          exp_path, ["python", "ray_job.py"], port=port
      )
  
file_path: determined/e2e_tests/tests/cluster/test_proxy.py
imports: import csv
  import pathlib
  import re
  import subprocess
  import time
  from io import StringIO
  import pytest
  import requests
  from determined.common.api import bindings
  from tests import api_utils
  from tests import config
  from tests import experiment
  from tests import ray_utils
label_desc: Use image node_id 3 for calling a global function with example usage: _ray_job_submit(exp_path, port) and returns: ray_utils