code: def echo_system_prompt_plus_message(
      message, history, system_prompt, tokens
  ):
      response = f"{system_prompt} {message}"
      for i in range(min(len(response), int(tokens))):
          yield response[: i + 1]
  
imports: import tempfile
  from concurrent.futures import wait
  from pathlib import Path
  from unittest.mock import patch
  import pytest
  import gradio
label_desc: Use image node_id 5 for calling a global function with example usage: echo_system_prompt_plus_message(message, history, system_prompt, tokens) without return types