code: def gen_token_id() -> str:
      return uuid4().hex
  
file_path: labml/app/server/labml_app/db/app_token.py
imports: import time
  from uuid import uuid4
  from labml_db import Model, Key, Index
  from .None import user
label_desc: Use image node_id 1 for calling a global function with example usage: gen_token_id() and returns: uuid4