old_contents: from flask import Flask
  from flask.ext.bootstrap import Bootstrap
  from flask.ext.sqlalchemy import SQLAlchemy
  from flask.ext.login import LoginManager
  from config import config
  
  app = Flask(__name__)
  app.config.from_object(config['development'])
  
  bootstrap = Bootstrap(app)
  db = SQLAlchemy(app)
  login_manager = LoginManager(app);
  login_manager.login_view = 'index'
  
  from . import views, models
  
new_contents: from flask import Flask
  from flask.ext.bootstrap import Bootstrap
  from flask.ext.sqlalchemy import SQLAlchemy
  from flask.ext.login import LoginManager
  from config import config
  
  app = Flask(__name__)
  app.config.from_object(config['development'])
  
  bootstrap = Bootstrap(app)
  db = SQLAlchemy(app)
  login_manager = LoginManager(app);
  login_manager.login_view = 'index'
  login_manager.login_message_category = "info"
  
  from . import views, models
  
subject: Add default login manager message category