Typo.

shared/utils/models/workflow.py

@@ -116,7 +116,7 @@ class WorkflowMixin(models.Model):
 
 
 def display_is_active(obj):
-    return obj.is_publised and obj.publication_datetime <= timezone.now()
+    return obj.is_published and obj.publication_datetime <= timezone.now()
 
 
 display_is_active.boolean = True