code: def activate(plugin_name):
      subprocess.call(shlex.split(f"offshoot install {plugin_name}"))
  
imports: import os
  import sys
  import shutil
  import subprocess
  import shlex
  import time
  import offshoot
  from serpent.utilities import clear_terminal, display_serpent_logo, is_linux, is_windows, wait_for_crossbar
  from serpent.window_controller import WindowController
label_desc: Use image node_id 12 for calling a global function with example usage: activate(plugin_name) without return types