Нажатие на кнопку не переадресовывает на другой адрес

@blueprint.route('/login', methods=['GET', 'POST'])
def login():
 
    login_form = LoginForm(request.form)
    if current_user.is_authenticated:
        return redirect(url_for('ar.main'))
    elif request.method == 'POST':
        _login = login_form.data['email']
        password = login_form.data['password'].encode('utf-8')
 
        password = hashlib.sha256(password + salt)
 
        if login_form.validate():
            user = db.session.query(Users).filter_by(login=_login, password=str(password)).first()
 
            try:
                if match_password(user.password, password):
                    return redirect(url_for('ar.main'))
            except AttributeError:
                return abort(401)
 
    return render_template('login.html', form=login_form)
 
@blueprint.route('/register', methods=['GET', 'POST'])
def register():
 
    register_form = RegistrationForm(request.form)
    if current_user.is_authenticated:
        return redirect(url_for('ar.main'))
 
    elif request.method == 'POST':
        form_login = register_form.data['email']
        form_password = register_form.data['password'].encode('utf-8')
 
        if register_form.validate():
            new_user = Users(form_login, str(hashlib.sha2(form_password + salt)))
            db.session.add(new_user)
            db.session.commit()
 
        return redirect(url_for('ar.main'))
    return render_template('register.html', form=register_form)