Now that we have discovered that the catch all Exception handler doesn't work, I've created a custom exception (SendNotificationQueueError) that handles this case and an error handler for it.

Talked these through with @becca as an approach.

app/notifications/__init__.py

@@ -0,0 +1,7 @@
+
+
+class SendNotificationToQueueError(Exception):
+    status_code = 500
+
+    def __init__(self):
+        self.message = "Failed to create the notification"