new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  import os
  
  from flask import Flask
  from flask_debugtoolbar import DebugToolbarExtension
  
  app = Flask(__name__)
  app.debug = True
  
  if app.debug:
      app.config['SECRET_KEY'] = 'debug_secretkey'
  else:
      app.config['SECRET_KEY'] = os.environ['FLASK_SECRET_KEY']
  DebugToolbarExtension(app)
  
  from .controllers import *
  
subject: Add the application package.