from flask import Flask, render_template, url_for, flash, redirect from forms import RegistrationForm, LoginForm from werkzeug.security import generate_password_hash, check_password_hash import shelve app = Flask(__name__, template_folder='template') app.app_context().push() app.config['SECRET_KEY'] = 'HELLO WORLD!' db = shelve.open("site.db", writeback=True) class User(object): def __init__(self, username, email, password): self.username = username self.email = email self.password = generate_password_hash(password) def check_password(self, password): return check_password_hash(self.password, password) @app.route("/home") def home(): return render_template('home.html') @app.route("/") def index(): return redirect(url_for('login')) @app.route("/register", methods=['GET', 'POST']) def register(): form = RegistrationForm() if form.validate_on_submit(): user = User(username=form.username.data, email=form.email.data, password=generate_password_hash(form.password.data)) if form.email.data in db: flash('Email already exists.', 'danger') return redirect(url_for('register')) db[form.email.data] = user flash('Your account has been created! You are now able to log in', 'success') return redirect(url_for('login')) return render_template('register.html', title='Register', form=form) @app.route("/login", methods=['GET', 'POST']) def login(): form = LoginForm() if form.validate_on_submit(): if form.email.data in db: user = db[form.email.data] if check_password_hash(user.password, form.password.data): flash('You have been logged in!', 'success') return redirect(url_for('home')) flash('Login Unsuccessful. Please check email and password', 'danger') return render_template('login.html', title='Login', form=form) if __name__ == '__main__': app.run(debug=True) db.close() 

mu code is supposed to register user using and registration form and using the ceated user. i can both create user and login using the created but my problem is my password the issue is when my email correct and password is wrong is still allows the login it dosent prompt any error and also how can i delete the created user pls help troubleshoot my code and help me