old_contents: #coding: utf8
  
  from flask import Flask, render_template, request, url_for
  from flask_sqlalchemy import SQLAlchemy
  
  
  app = Flask(__name__)
  
  import nuff.views
  
  db = SQLAlchemy()
  
  
  @app.errorhandler(404)
  def paged_not_found(err):
      return render_template('404.html')
new_contents: #coding: utf8
  
  from flask import Flask, render_template, request, url_for
  from flask_sqlalchemy import SQLAlchemy
  
  
  app = Flask(__name__)
  
  
  
  db = SQLAlchemy()
  
  
  @app.errorhandler(404)
  def paged_not_found(err):
      return render_template('404.html')
subject: initialize project