Not Quite Sure what's going wrong

from flask import Flask, g, render_template, redirect, url_for, abort, flash
from flask.ext.bcrypt import check_password_hash
from flask.ext.login import (LoginManager, login_user, logout_user, login_required,
                             current_user)
import models
import forms

DEBUG = True
PORT = 8000
Host = '0.0.0.0'

app = Flask(__name__)
app.secret_key = 'gaa094863qol*&^*&^*&%)'

login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'login'

@login_manager.user_loader
def load_user(userid):
    try:
        return models.User.get(models.User.id == userid)
    except models.DoesNotExist:
        return None

@app.before_request
def before_request():
    g.db = models.database
    g.db.connect()
    g.user = current_user

@app.after_request
def after_request(response):
    g.db.close()
    return response

@app.route('/register', methods = ('GET', 'POST'))
def register():
    form = forms.RegistrationForm()
    if form.validate_on_submit():
        models.User.create_user(
            username = form.username.data,
            email = form.email.data,
            password = form.password.data)
        return redirect(url_form('index'))
    return render_template('register.html', form = form)

@app.route('/login', methods = ('GET', 'POST'))
def login():
    form = forms.LoginForm()
    if form.validate_on_submit():
        try:
            user = models.User.get(models.User.email == form.email.data)
            except models.DoesNotExist:
                flash("Your email or password doesn't match!", "error")
            else:
                if check_password_hash(user.password, form.password.data):
                    login_user(user)
                    flash("You've been logged in!", "success")
                    return redirect(url_for('index'))
                else:
                    flash("Your email or password doesn't match!", "error")
    return render_template('login.html', form = form)

@app.route('/taco', methods = ('GET', 'POST'))
def taco():
    form = forms.TacoForm()
    if form.validate_on_submit():
        models.Taco.create(user = g.user._get_current_object(),
                           protein = form.protein.data,
                           shell = form.shell.data,
                           cheese = form.cheese.data,
                           extras = form.extras.data)
        flash("You have created a new taco, congrats!", "success")
        return dedirect(url_for('index'))
    return render_template('taco.html', form = form)


@app.route('/logout')
@login_required
def logout():
    logout_user()
    return redirect(url_for('index'))

@app.route('/')
def index():
    tacocats = models.Taco.select().limit(50)
    return render_template('index.html', tacocats = tacocats)


if __name__ == '__main__':
    models.initialize()
    try:
        models.User.create_user(
            username = "Taco the Cat",
            email = "taco.felinefine@whiskerswhiskey.com",
            password = "trololol"
    )
    except ValueError:
        pass
    #app.run(debug = DEBUG, host = HOST, port = PORT)

import datetime

from flask.ext.bcrypt import generate_password_hash
from flask.ext.login import UserMixin
from peewee import *

database = SqliteDatabase('tacocat.db')

class User(UserMixin, Model):
    username = CharField(unique=True)
    email = CharField(unique=True)
    password = CharField(max_length=100)


    class Meta:
        database = database

    @classmethod
    def create_user(cls, username, email, password):
        try:
            cls.create(
                username = username,
                email = email,
                password = generate_password_hash(password)
            )
        except IntegrityError:
            raise ValueError("User already exists")

class Taco(Model):
    user = ForeignKeyField(
        rel_model = User,
        related_name = "tacos"
    )
    protein = CharField(unique = True)
    shell = CharField(unique = True)
    cheese = BooleanField()
    extras = CharField()

    class Meta:
        database = database

def initialize():
    database.connect()
    database.create_tables([User, Taco], safe = True)

from flask_wtf import Form
from wtforms import StringField, PasswordField, TextAreaField, BooleanField
from wtforms.validators import (DataRequired, Regexp, ValidationError, Email, 
                               Length, EqualTo)

from models import User

def name_exists(form, field):
    if User.select().where(User.username == field.data).exists():
        raise ValidationError("User with that name already exists.")

def email_exists(form, field):
    if User.select().where(User.email == field.data).exists():
        raise ValidationError("User with that email already exists.")

class RegistrationForm(Form):
    username = StringField(
        "Username",
        validators = [
            DataRequired(),
            Regexp(
                r'^[a-zA-Z0-9_]+$',
                message = ("Username should be one word, letters, "
                           "numbers and underscores only.")
            ),
            name_exists
        ])
    email = StringField(
        "Email",
        validators = [
            DataRequired(),
            Email(),
            email_exists
        ])
    password = PasswordField(
        "Password",
        validators = [
            DataRequired(),
            Length(min = 2),
            EqualTo("password2", message = "Passwords must match")
        ])
    password2 = PasswordField(
        "Confirm password",
        validators = [DataRequired()]
    )

class LoginForm(Form):
    email = StringField('Email', validators = [DataRequired(), Email()])
    password = PasswordField('Password', validators = [DataRequired()])

class TacoForm(Form):
    protein = StringField("Protein")
    shell = StringField("Shell")
    cheese = BooleanField("With Cheese")
    extras = TextAreaField("Extras")