jupyter_notebook/templates/error.html

{% extends "page.html" %}

{% block login_widget %}
{% endblock %}

{% block stylesheet %}
{{super()}}
<style type="text/css">
/* disable initial hide */
div#header, div#site {
    display: block;
}
</style>
{% endblock %}
{% block site %}

<div class="error">
    {% block h1_error %}
    <h1>{{status_code}} : {{status_message}}</h1>
    {% endblock h1_error %}
    {% block error_detail %}
    {% if message %}
    <p>The error was:</p>
    <div class="traceback-wrapper">
    <pre class="traceback">{{message}}</pre>
    </div>
    {% endif %}
    {% endblock %}
</header>

{% endblock %}