code: def add_session(computer_uuid: str, session_uuid: str) -> None:
      if not computer_uuid:
          return
  
      c = get_or_create(computer_uuid)
  
      c.sessions.add(session_uuid)
      c.save()
  
file_path: labml/app/server/labml_app/db/computer.py
imports: import time
  from typing import List, Dict, Set
  from labml_db import Model, Index
label_desc: Use image node_id 2 for calling a global function with example usage: add_session(computer_uuid, session_uuid) without return types