code: def tts():
      text = request.args.get("text")
      print(" > Model input: {}".format(text))
      wavs = synthesizer.tts(text)
      out = io.BytesIO()
      synthesizer.save_wav(wavs, out)
      return send_file(out, mimetype="audio/wav")
  
file_path: TTS/TTS/server/server.py
imports: import argparse
  import os
  import sys
  import io
  from pathlib import Path
  from flask import Flask, render_template, request, send_file
  from TTS.utils.synthesizer import Synthesizer
  from TTS.utils.manage import ModelManager
  from TTS.utils.io import load_config
label_desc: Use image node_id 4 for calling a global function with example usage: tts() and returns: send_file