[Answered ]-Django 4.2: Pagination doesn't work for me

You should enumerate over the page_obj:

{% if page_obj %}
<ul>
    {% for author in page_obj %}
        <li> <a href="{{author.get_absolute_url}}"> {{author}} </a> </li>
    {% endfor %}
</ul>
{% else %}
<p>  No author. </p>
{% endif %}