{% set feed_url = blog.url == '/' or blog.url == base_url_relative ? (base_url_relative~'/'~blog.slug) : blog.url %}
{% set new_base_url = blog.url == '/' ? '' : blog.url %}

<div class="sidebar-left">
  {% set options = { items: {'@page': '/contact' } } %}
  {% set my_collection = page.collection(options) %}
  <ul>
    {% for p in my_collection %}
      <a href="{{p.url}}"><li>{{ p.title }}</li></a>
    {% endfor %}
  </ul>
</div>

<div class="sidebar-right">
  {% set options = { items: {'@page': '/projets' } } %}
  {% set my_collection = page.collection(options) %}

  <ul>
    {% include 'partials/taxonomylist.html.twig' with {'base_url': new_base_url, 'taxonomy':'category'} %}
    <!-- {% for i in my_collection %}
      <li>{{i.title}}</li>
    {% endfor %} -->
  </ul>
</div>