code: def memoize(func):
      """Decorator to memoize the result of a no-args func."""
      result: List[Any] = []
  
      @functools.wraps(func)
      def wrapped_func():
          if not result:
              result.append(func())
          return result[0]
  
      return wrapped_func
  
imports: from __future__ import annotations
  import dataclasses
  import functools
  import hashlib
  import os
  import subprocess
  import sys
  from typing import Any, Dict, Iterable, List, Mapping, Set, TypeVar, Union
  from typing_extensions import Final
  from streamlit import env_util
label_desc: Use image node_id 1 for calling a global function with example usage: memoize(func) and returns: wrapped_func, result