app.py

from flask import Flask, render_template
from flask_sqlalchemy import SQLAlchemy

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///test.db'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)

from models import Submission #Can only be imported after db is created, trying to figure out how to move it to the top


@app.route('/')
def render_static():
    return render_template('lookup.html')

models.py

from sqlalchemy import Column, Integer, DateTime, String, Text, func

import app

class User(app.db.Model)://requires app.db to be created
    __tablename__ = 'users'
    id = Column(Integer, primary_key=True, autoincrement=True)
    email = Column(String(120), unique=True, nullable=False)
    password = Column(String(120), nullable=False)

    def __repr__(self):
        return '<User %r>' % self.username