code: def build_demo():
      with gr.Blocks() as demo:
          gr.Textbox("")
  
      return demo
  
file_path: gradio/test/test_reload.py
imports: import dataclasses
  from pathlib import Path
  from typing import List
  import pytest
  import gradio
  import gradio
  from gradio.cli.commands.reload import _setup_config
  from gradio.networking import Server
label_desc: Use image node_id 1 for calling a global function with example usage: build_demo() and returns: demo