code: def get_random_string() -> str:
      return str(uuid.uuid4())
  
imports: import uuid
  from typing import Callable, Optional, Sequence, TypeVar
  import pytest
  from determined.common import api
  from determined.common.api import authentication, bindings, certs, errors
  from tests import config
label_desc: Use image node_id 1 for calling a global function with example usage: get_random_string() and returns: str