jinja2.exceptions.UndefinedError

import json
from flask import (Flask, render_template, redirect,
            url_for, request, make_response)

app = Flask(__name__)


def get_saved_data():
    try:
        data = json.loads(request.cookies.get('character'))
    except TypeError:
        data = {}
    return data

@app.route('/')
def index():
    data = get_saved_data
    return render_template('index.html', saves=data)


@app.route('/save', methods=['POST'])
def save():
    response = make_response(redirect(url_for('index')))
    data = get_saved_data() #You have this information already stored
    data.update(dict(request.form.items()))#Update that information
    response.set_cookie('character', json.dumps(data))# the send it back.
    return response

if __name__ == '__main__':
    app.run(debug=True)

{% extends "layout.html" %}
{% block content %}
<!--Enter Name -->
<div class="enter-name">
    <div class="grid-100">
        <img src="/static/img/bear_avatar.svg" class="bear-avatar" />
    </div>
    <div class="grid-100">
        <form action="{{ url_for('save') }}" method="POST">
            <label>Name your bear</label>
            <input type="text" name="name" value="{{ saves.get('name','')}}" autofocus>
            <input type="submit" value="Let's build it!">
        </form>
    </div>
</div>
{% endblock %}

jinja2.exceptions.UndefinedError
jinja2.exceptions.UndefinedError: 'function object' has no attribute 'get'