AttributeError: type object 'User' has no attribute 'query'
import os
import sys
from sqlalchemy import Column, ForeignKey, Integer, String, DateTime, Boolean, Float, Date, Table
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship
from sqlalchemy import create_engine
from flask_security import Security, SQLAlchemyUserDatastore, UserMixin, RoleMixin, login_required
Base = declarative_base()
roles_users = Table('roles_users', Base.metadata, Column('user_id', Integer, ForeignKey('user.id')), Column('role_id', Integer, ForeignKey('role.id')))
class Role(Base, RoleMixin):
__tablename__ = 'role'
id = Column(Integer, primary_key=True)
name = Column(String(80), unique=True)
description = Column(String(255))
class User(Base, UserMixin):
__tablename__ = 'user'
id = Column(Integer, primary_key=True)
email = Column(String(250), nullable=False)
password = Column(String(30))
last_login_at = Column(DateTime)
active = Column(Boolean)
confirmed_at = Column(DateTime)
current_login_at = Column(DateTime)
last_login_ip = Column(String(45))
current_login_ip = Column(String(45))
login_count = Column(Integer)