code: def update_packages(server: str, show_output: bool):
      """Update Python packages on the server"""
      for k in util.get_servers(server):
          SERVERS[k].update_packages(
              ui_mode=UIMode.full if show_output else UIMode.dots
          )
  
file_path: labml/remote/labml_remote/cli/basic.py
imports: from pathlib import Path
  from typing import List, Tuple
  import click
  from labml_remote.execute import UIMode
  from labml_remote.server import SERVERS
  import labml_remote.configs.defaults
  from .None import util
  from ..job import JOBS
label_desc: Use image node_id 4 for calling a global function with example usage: update_packages(server, show_output) without return types