Fix elections 2021

elections2021/templates/elections2021/_article_card.html

 {% load wagtailcore_tags wagtailimages_tags %}
 <article class="card card--hoveractive article-card article-card-pirati-stan {{ article.card_css_class }}">
   <div class="article-card-cover">
-    <a href="{% pageurl article %}">
+    <a href="{{ article.get_url }}">
       {% image article.image width-400 as img %}
       <img src="{{ img.url }}" alt="{{ article.title }}">
     </a>
@@ -21,7 +21,7 @@
     </div>
   </div>
   <div class="card__body article-card__body">
-    <a href="{% pageurl article %}">
+    <a href="{{ article.get_url }}">
       <h1 class="card-headline mb-4">{{ article.title }}</h1>
     </a>
     <p class="card-body-text flex-grow">{{ article.perex }}</p>