fix

promo/cms_plugins.py

@@ -16,10 +16,14 @@ class PromoPluginPublisher(CMSPluginBase):
 
         history = request.session['history']
 
-        context.update({
-            'instance': Promo.objects.filter(page_link_id__in=history).order_by('?')[0],
-            'history': history
-        })
+        promos = Promo.objects.filter(page_link_id__in=history).order_by('?')
+
+        if promos.exists():
+            promo = promos[0]
+            promo.text = promo.text.replace('#promo', promo.page_link.get_absolute_url())
+            context.update({
+                'instance': promo,
+            })
         return context
 
 plugin_pool.register_plugin(PromoPluginPublisher)  # register the plugin