Как модели добавить в файл с видами?

from flask import Flask, request, make_response, redirect, abort, render_template, session, url_for, flash
from flask.ext.script import Manager
from flask.ext.bootstrap import Bootstrap
from flask.ext.moment import Moment
from flask.ext.sqlalchemy import SQLAlchemy
import config
# from model import User
from TestForm import TestForm
 
app = Flask(__name__)
app.config.from_object(config)
db = SQLAlchemy(app)
manager = Manager(app)
bootstrap = Bootstrap(app)
moment = Moment(app)
 
 
@app.route('/', methods=['GET', 'POST'])
def index():
    form = TestForm()
    if form.validate_on_submit():
        user = User.query.filter_by(username=form.name.data).first()
        if user is None:
            user = User(username=form.name.data)
            db.session.add(user)
            session['known'] = False
        else:
            session['known'] = True
        session['name'] = form.name.data
        form.name.data = ''
        return redirect(url_for('index'))
    return render_template('index.html', form=form, name=session.get('name'), known=session.get('known', False))

from MySite import db
 
 
class Role(db.Model):
    __tablename__ = 'roles'
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(64), unique=True)
    users = db.relationship('User', backref='role', lazy='dynamic')
 
    def __repr__(self):
        return '<Role %r>' % self.name
 
 
class User(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(64), unique=True, index=True)
    role_id = db.Column(db.Integer, db.ForeignKey('roles.id'))
 
    def __repr__(self):
        return '<User %r>' % self.username