yt-local/youtube/templates/error.html

{% if error_code %}
    {% set page_title = 'Error: ' ~ error_code %}
{% else %}
    {% set page_title = 'Error' %}
{% endif %}

{% if not slim %}
    {% extends "base.html" %}
{% endif %}

{% if traceback %}
    {% block style %}
        <link href="/youtube.com/static/home.css" rel="stylesheet">
    {% endblock style %}
{% endif %}

{% block main %}
    {% if traceback %}
        <div class="code-error" id="error-box">
            <h1>500 Uncaught exception:</h1>
            <div class="code-box"><code>{{ traceback }}</code></div>
            <p>Please report this issue at <a href="https://todo.sr.ht/~heckyel/yt-local" target="_blank" rel="noopener noreferrer">https://todo.sr.ht/~heckyel/yt-local</a></p>
            <p>Remember to include the traceback in your issue and redact any information in it you do not want to share</p>
        </div>
    {% else %}
        <section id="error-message" class="comments-area">
            <div class="comments">
                <div class="comment-container">
                    <div class="comment">
                        <span class="comment-text">{{ error_message }}</span>
                    </div>
                </div>
            </div>
        </section>
    {% endif %}
{% endblock %}