fixing validation errors

Author: tejasgn

.tools/lambda/KB_Updater.py

@@ -1,3 +1,6 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0
+
 import boto3
 import json
 import datetime
@@ -112,7 +115,7 @@ def lambda_handler(event, context):
             "name": data_source_name,
             "is_new": is_new
         },
-        "ingestion_job": None,
+        "ingestion_job": {},
         "statistics": None
     }