diff --git a/activitypub.py b/activitypub.py
index f45aad9..a9fe006 100644
--- a/activitypub.py
+++ b/activitypub.py
@@ -369,12 +369,14 @@ class MicroblogPubBackend(Backend):
         logger.info(f"inbox_delete handle_replies obj={obj!r}")
         in_reply_to = obj.get_in_reply_to()
         if delete.get_object().ACTIVITY_TYPE != ap.ActivityType.NOTE:
-            in_reply_to = ap._get_id(DB.activities.find_one(
-                {
-                    "activity.object.id": delete.get_object().id,
-                    "type": ap.ActivityType.CREATE.value,
-                }
-            )["activity"]["object"].get("inReplyTo"))
+            in_reply_to = ap._get_id(
+                DB.activities.find_one(
+                    {
+                        "activity.object.id": delete.get_object().id,
+                        "type": ap.ActivityType.CREATE.value,
+                    }
+                )["activity"]["object"].get("inReplyTo")
+            )
 
         # Fake a Undo so any related Like/Announce doesn't appear on the web UI
         DB.activities.update(
diff --git a/app.py b/app.py
index 27e47dd..c647c07 100644
--- a/app.py
+++ b/app.py
@@ -2703,9 +2703,7 @@ def task_process_new_activity():
                 tag_stream = True
 
             # FIXME(tsileo): check for direct addressing in the to, cc, bcc... fields
-            if (in_reply_to and in_reply_to.startswith(ID)) or note.has_mention(
-                ID
-            ):
+            if (in_reply_to and in_reply_to.startswith(ID)) or note.has_mention(ID):
                 should_keep = True
 
             if in_reply_to: