Open PDF link in another tab, in case of error

validata_ui/templates/validation_report.html

@@ -35,7 +35,7 @@
 {% endif %}
 {% if source.type == 'url' %}
 <p class="hidden-print">
-    <a href="{{ url_for('pdf_report', val_code=val_info.code) }}?url={{source.name|urlencode}}">
+    <a href="{{ url_for('pdf_report', val_code=val_info.code) }}?url={{source.name|urlencode}}" target="_blank">
         Télécharger en PDF
     </a>
 </p>