Python 如何更正烧瓶注册页

如何使我的注册页不创建403错误。这是我的

/register

页面的

应用程序路径

，其中似乎有错误

@app.route("/register", methods=["GET", "POST"])
def register():
    if request.method == "POST":
        # Making sure the user actually typed in something in the fields
        username = request.form.get("username")
        password = request.form.get("password")
        password_confirm = request.form.get("password_confirm")
        if not username or not password or not password_confirm:
            return apology("invalid username and/or password", 403)

        # Making sure there is no other user with the same username
        existing_users = db.execute("SELECT * FROM users WHERE username = :username")
        if len(existing_users) != 0:
            return apology("Please select another username", 409)

        if password != password_confirm:
            return apology("Your passowords do not match. Please try again!", 409)

        hashed_password = generate_password_hash(password)

        db.execute("INSERT INTO users (username, hash) VALUES (:username, :password)")

    else:
        return render_template("register.html")
    """Register user"""

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返回后的方法？我想您应该在方法post:returnredirect（“login.html”）的末尾添加代码