class_docstr: Implements a custom Tornado request handler for favicon.ico
  files.
class_docstr_tok: ["Implements","a","custom","Tornado","request","handler","for","favicon.ico","files","."]
code: def initialize(self, *args, **kw):
      self.app = kw.get("app")
  
imports: from __future__ import annotations
  import logging
  from tornado.web import HTTPError, RequestHandler
label_desc: Use image node_id 1 for calling the IcoHandler obj's underlying member method code with example usage: obj.initialize() without return types