code: def render(self, file):
      if file in self.__files:
          return Response(
              response=self.__files[file][0],
              mimetype=self.__files[file][1],
          )
      return send_from_directory(self.path, file)
  
imports: import os
  import mimetypes
  from flask import Response, send_from_directory
label_desc: Use image node_id 2 for calling the Template obj's underlying member method code with example usage: obj.render(file) and returns: send_from_directory, Response