Menú de paginación con Bootstrap 4 para ListView en Django

pagination.html

<!-- Menú de paginación -->
{% if is_paginated %}
  <nav aria-label="Page navigation">
    <ul class="pagination justify-content-center">
      {% if page_obj.has_previous %}
        <li class="page-item ">
          <a class="page-link" href="?page={{ page_obj.previous_page_number }}">&laquo;</a>
        </li>
      {% else %}
        <li class="page-item disabled">
          <a class="page-link" href="#" tabindex="-1">&laquo;</a>
        </li>
      {% endif %}
      {% for i in paginator.page_range %}
        <li class="page-item {% if page_obj.number == i %}active{% endif %}">
          <a class="page-link" href="?page={{ i }}">{{ i }}</a>
        </li>
      {% endfor %}
      {% if page_obj.has_next %}
        <li class="page-item ">
          <a class="page-link" href="?page={{ page_obj.next_page_number }}">&raquo;</a>
        </li>
      {% else %}
        <li class="page-item disabled">
          <a class="page-link" href="#" tabindex="-1">&raquo;</a>
        </li>
      {% endif %}
    </ul>
  </nav>
{% endif %}