scripts: Make it obvious that test-bad-gzip.py doesn't work

scripts/testing/gateway-responses/test-bad-gzip.py

@@ -1,9 +1,22 @@
 #!/usr/bin/env python3
+#
+# 2022-01-10:   THIS SCRIPT DOES NOT PERFORM THE INTENDED PURPOSE
+# BECAUSE IT SEEMS THAT `requests` (or underlying modules) IS TOO CLEVER
+# AND APPLIES COMPRESSION WHEN WE SET THE `Content-Encoding: gzip`
+# HEADER
 
 import json
 import requests
 import sys
 
+print('''
+DO NOT USE THIS SCRIPT, IT DOES NOT PERFORM THE INTENDED PURPOSE.
+
+USE THE `test-bad-gzip.sh` SCRIPT INSTEAD.
+
+''')
+sys.exit(-1)
+
 if len(sys.argv) != 2:
   print('test-sender.py <filename>')
   sys.exit(-1)
@@ -13,6 +26,7 @@ with open(sys.argv[1], 'r') as f:
 
   s = requests.Session()
 
+  # This apparently causes compression to actually happen
   s.headers['Content-Encoding'] = 'gzip'
   r = s.post(
     'https://beta.eddn.edcd.io:4431/upload/',