@app.route('/ideas/<int:id>')
     @login_required
     def idea(id):
         idea = Idea.query.filter_by(id=id).first()
         ideas = Idea.query.filter_by(user=current_user).all()
         if idea is None:
             return render_template('404.html'), 404
         if idea.user != current_user:
             return render_template('403.html'), 403
         return render_template('idea.html', idea=idea, ideas=ideas)