Fix bug in attachments rule where last_message could potentially count twice in the sum of attachments

1 files changed, 2 insertions, 2 deletions

diff --git a/bot/rules/attachments.py b/bot/rules/attachments.py
index c550aed76..00bb2a949 100644
--- a/bot/rules/attachments.py
+++ b/bot/rules/attachments.py
@@ -7,14 +7,14 @@ async def apply(
     last_message: Message, recent_messages: List[Message], config: Dict[str, int]
 ) -> Optional[Tuple[str, Iterable[Member], Iterable[Message]]]:
     """Detects total attachments exceeding the limit sent by a single user."""
-    relevant_messages = [last_message] + [
+    relevant_messages = tuple(
         msg
         for msg in recent_messages
         if (
             msg.author == last_message.author
             and len(msg.attachments) > 0
         )
-    ]
+    )
     total_recent_attachments = sum(len(msg.attachments) for msg in relevant_messages)
 
     if total_recent_attachments > config['max']: