bruk not null for timeline i collection

services/instance%2Fcollection/html.template

@@ -82,7 +82,7 @@
 		
 		<hr>
 		
-    {% if first.main.timeline.value %}
+    {% if not first.main.timeline.value | null %}
 	<div id="timeline-embed"></div> 
    <!-- BEGIN TimelineJS -->
 		<script>