old_contents: # -*- coding: utf-8 -*-
  from flask import Blueprint, render_template, url_for, redirect
  
  
  account_app = Blueprint('account', __name__, wrl_prefix='/account',
                          template_folder='templates')
  
  
  @account_app.route('/signin', methods=['GET', 'POST'])
  def signin():
      return render_template('account/signin.html')
  
  
  @account_app.route('/signup', methods=['GET', 'POST'])
  def signup():
      return render_template('account/signup.html')
  
  
  @account_app.route('/signout', methods=['POST'])
  def signout():
      return redirect(url_for('home.index'))
  
new_contents: # -*- coding: utf-8 -*-
  from flask import Blueprint, render_template, url_for, redirect
  
  
  account_app = Blueprint('account', __name__, url_prefix='/account',
                          template_folder='templates')
  
  
  @account_app.route('/signin', methods=['GET', 'POST'])
  def signin():
      return render_template('account/signin.html')
  
  
  @account_app.route('/signup', methods=['GET', 'POST'])
  def signup():
      return render_template('account/signup.html')
  
  
  @account_app.route('/signout', methods=['POST'])
  def signout():
      return redirect(url_for('home.index'))
  
subject: fix typo