docstr: Returns file output path
code: def path(self):
      """Returns file output path"""
      return self._path
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import datetime
  from yattag import Doc, indent
label_desc: Use image node_id 2 for calling the CustomHtml obj's underlying member method code with example usage: obj.path() and returns: self