ContentNode.DoesNotExist: ContentNode matching query does not exist.

[sentry]

No need to throw when the delete node task does not find the node it is deleting - its work is done!
Sentry Issue: STUDIO-EF4

ContentNode.DoesNotExist: ContentNode matching query does not exist.
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...
  File "model_utils/tracker.py", line 65, in __set__
    getattr(instance, self.field_name)
  File "model_utils/tracker.py", line 42, in __get__
    value = self.descriptor.__get__(instance, owner)
  File "django/db/models/query_utils.py", line 144, in __get__
    instance.refresh_from_db(fields=[field_name])
  File "django/db/models/base.py", line 637, in refresh_from_db
    db_instance = db_instance_qs.get()
  File "django/db/models/query.py", line 437, in get
    self.model._meta.object_name

[rtibbles]

Need to catch on the actual delete, as well as the initial get.