From 789da26362428de3a1f8c65ea69494e7c9ba1293 Mon Sep 17 00:00:00 2001
From: Ryan Barrett <git@ryanb.org>
Date: Thu, 26 Jan 2023 10:37:01 -0800
Subject: [PATCH] AP: return 501 for Undo not supported, not 400

---
 common.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common.py b/common.py
index ff68fe5..0d35d8b 100644
--- a/common.py
+++ b/common.py
@@ -255,7 +255,7 @@ def send_webmentions(activity_wrapped, proxy=None, **activity_props):
 
     verb = activity.get('verb')
     if verb and verb not in SUPPORTED_VERBS:
-        error(f'{verb} activities are not supported yet.')
+        error(f'{verb} activities are not supported yet.', status=501)
 
     # extract source and targets
     source = activity.get('url') or activity.get('id')