code: def job_run(
      server: str, cmd: str, env: List[Tuple[str, str]], tag: List[str]
  ):
      """Start a job"""
      if not tag:
          tag = ["custom", "no-tags"]
      JOBS.create(server, cmd, util.get_env_dict(env), tag).start()
  
file_path: labml/remote/labml_remote/cli/job.py
imports: import time
  from typing import List, Tuple
  import click
  from labml import logger, monit
  from labml.logger import Text
  from labml_remote.execute import UIMode
  from labml_remote.job import JOBS
  from labml_remote.server import SERVERS
  from .None import util
label_desc: Use image node_id 1 for calling a global function with example usage: job_run(server, cmd, env, tag) without return types