roles = QuerySelectField(query_factory=lambda: Role.query.filter_by(front=True), allow_blank=True)    and i am getting, project.models.Role object at 0x7f0205ec5cd0

__tablename__ = 'roles'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(20), index=True)
front  = db.Column(db.Boolean, default=True)
#permissions = db.relationship('Permission', backref='permission')
users = db.relationship('User', backref='roles')

def __init__(self, name, front):
    self.name = name
    self.front = front

class RegisterForm(Form):
    email = StringField('Email', validators=[DataRequired(), Email()])
    username = StringField('Username', validators=[DataRequired(), Length(min=3, max=50, message="You must enter a min and max character")])
    password = PasswordField('Password', validators=[DataRequired(), EqualTo('password2', message='Your Passwords must be same')])
    password2 = PasswordField('Re-Enter Password', validators=[DataRequired(), EqualTo('password', message='Passwords must match.')])
    village = QuerySelectField(get_label='village', query_factory=villages_lists)
    roles = QuerySelectField(query_factory=lambda: Role.query.filter_by(front=True), allow_blank=True)