charpy/flask/templates/view/chart_demo.html
{% extends "layout/default.html" -%}
{% block head %}
<!-- <script src="{{ url_for('static', filename='chartjs/v2.7.2/chart.min.js') }}"></script> -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.5.0/Chart.min.js"></script>
{% endblock %}
{% block content -%}
<h1>Flask Chart.js</h1>
{% include "partials/defaultchart.html" %}
{%- endblock %}