code: def make_app(manager):
      """Make a tornado server for the thread local event loop."""
      app = tornado.web.Application(
          [
              (
                  r"/",
                  perspective.handlers.tornado.PerspectiveTornadoHandler,
                  {"manager": manager},
              )
          ]
      )
  
      app.listen(8080)
  
file_path: perspective/python/perspective/bench/tornado/async_server.py
imports: import multiprocessing
  import asyncio
  import os
  import os.path
  import perspective
  import time
  import tornado
  import threading
  import numpy
  from bench import PerspectiveTornadoBenchmark
label_desc: Use image node_id 3 for calling a global function with example usage: make_app(manager) without return types