code: def add_application(self, application: web.Application) -> None:
      self.applications.append(application)
  
file_path: distributed/distributed/http/routing.py
imports: from __future__ import annotations
  import os
  import tornado.httputil
  import tornado.routing
  from tornado import web
label_desc: Use image node_id 3 for calling the RoutingApplication obj's underlying member method code with example usage: obj.add_application(application) without return types