code: def html_init():
      """
      Return HTML report file first lines.
  
      :return: html_init as str
      """
      return HTML_INIT_TEMPLATE.format(OG_DESCRIPTION, OG_IMAGE_URL)
  
imports: from __future__ import division
  from functools import partial
  from .pycm_param import *
  from .pycm_util import rounder, sort_char_num
  import webbrowser
label_desc: Use image node_id 1 for calling a global function with example usage: html_init() and returns: HTML_INIT_TEMPLATE