code: def run_only_first_time(self):
      if platform == "linux" or platform == "linux2":
          try:
              run_command(
                  "curl -sL https://rpm.nodesource.com/setup_10.x | sudo bash -"
              )
              run_command("sudo apt install nodejs")
              run_command("sudo apt install npm")
          except:
              run_command("sudo yum install nodejs")
              run_command("sudo yum install npm")
          run_command("npm install -g localtunnel")
  
      elif platform == "darwin":
          run_command("xcode-select --install")
          run_command("brew install nodejs")
          run_command("npm install -g localtunnel")
  
      elif platform == "win32":
          print("Please install nodejs, npm, and localtunnel manually")
          run_command("npm install -g localtunnel")
      elif platform == "win64":
          print("Please install nodejs, npm, and localtunnel manually")
          run_command("npm install -g localtunnel")
  
imports: import os
  import sys
  import re
  from pathlib import Path
  from sys import platform
  import subprocess
  import time
  from imports import *
  from dashboard import *
  from calculate_shap import *
  from analytics import Analytics
label_desc: Use image node_id 9 for calling the explain obj's underlying member method code with example usage: obj.run_only_first_time() without return types