Add SPDX license headers to python scripts
diff --git a/test/sys-script.py b/test/sys-script.py
index 2de7d7e..468c1dc 100755
--- a/test/sys-script.py
+++ b/test/sys-script.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# SPDX-License-Identifier: LGPL-2.1+
 #
 # sys-script.py
 #