code: def _install_completion_script(shell, script, args):
      script_path = _write_completion_script_to_user_config(
          shell, script
      )
      _install_completion_script_to_shell_init(shell, script_path, args)
  
imports: import glob
  import logging
  import os
  import shutil
  import sys
  import guild
  from guild import cli
  from guild import config
  from guild import util
label_desc: Use image node_id 4 for calling a global function with example usage: _install_completion_script(shell, script, args) without return types