code: def index():
      return render_template("index.html")
  
file_path: luminol/demo/src/start.py
imports: import csv
  import datetime
  import os
  import sys
  import time
  import urllib
  from flask import Flask, jsonify, render_template, request
  from luminol import utils, anomaly_detector, correlator
  from rca import RCA
label_desc: Use image node_id 1 for calling a global function with example usage: index() and returns: render_template