@app.route('/v1/user/<int:id>')
def get_user(id):
    user = User.query.get_or_404(id)
    return user_schema.jsonify(user)
@app.route('/v1/user/<int:id>')
def get_user(id):
    user = User.query.get_or_404(id)
    return user_schema.jsonify(user)