code: def load_image(self, image_url: str) -> bytes:
      if image_url.startswith("data:"):
          import base64
  
          image_bytes = base64.b64decode(image_url.split(",")[1])
          return image_bytes
      else:
          import urllib.request
  
          with urllib.request.urlopen(image_url) as f:
              image_bytes = f.read()
              return image_bytes
  
imports: from __future__ import annotations
  import os
  import json
  import ctypes
  import dataclasses
  from typing import Any, Dict, Iterator, List, Optional, Tuple, Union, Protocol
  import llama_cpp.llama
  import llama_cpp.llama_types
  import llama_cpp.llama_grammar
  from ._utils import suppress_stdout_stderr
label_desc: Use image node_id 3 for calling the Llava15ChatHandler obj's underlying member method code with example usage: obj.load_image(image_url) and returns: image_bytes, image_bytes