None condition

publichealth/home/templates/tags/footer_form.html

@@ -1,4 +1,5 @@
 {% load wagtailcore_tags %}
+{% if form %}
 <form action="{% pageurl form %}" method="POST">
   {% csrf_token %}
   <div class="form-group">
@@ -12,3 +13,4 @@
   </div>
   <button class="btn btn-primary" type="submit">Senden / Envoi</button>
 </form>
+{% endif %}

publichealth/home/templatetags/information.py

@@ -17,9 +17,10 @@ def contact_info():
 # Contact form (footer)
 @register.inclusion_tag('tags/footer_form.html')
 def footer_form():
-    return {
-        'form': Contact.objects.last().contact_form,
-    }
+    if Contact.objects.last():
+        return {
+            'form': Contact.objects.last().contact_form,
+        }
 
 # Contact links (header)
 @register.inclusion_tag('tags/contact_links.html')