text: import tornado.web
  import tornado.ioloop
  from datetime import datetime
  from aiocache import cached
  from aiocache.serializers import JsonSerializer
  
  
  class MainHandler(tornado.web.RequestHandler):
  
      # Due some incompatibilities between tornado and asyncio, caches can't use the "timeout" feature
      # in order to make it work, you will have to specify it always to 0
      @cached(key="my_custom_key", serializer=JsonSerializer(), timeout=0)
      async def time(self):
          return {"time": datetime.now().isoformat()}
  
      async def get(self):
          self.write(await self.time())
  
  
  if __name__ == "__main__":
      tornado.ioloop.IOLoop.configure("tornado.platform.asyncio.AsyncIOLoop")
      app = tornado.web.Application([(r"/", MainHandler)])
      app.listen(8888)
      tornado.ioloop.IOLoop.current().start()
  