Add copyright header (#509)

sfod · web-flow · commit 345871198351 · 2024-06-12T10:11:19.000-07:00
diff --git a/test/greengrass/basic_discovery/hello_world_subscriber.py b/test/greengrass/basic_discovery/hello_world_subscriber.py
@@ -1,3 +1,6 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0.
+
 import argparse
 import sys
 import time
