fix: Make sure the regex match is not None before adding to claimaints cache

If there was a bot message in a help channel that contained an embed that was not the claimed channel message, this would raise an attribute error.

1 files changed, 4 insertions, 3 deletions

diff --git a/bot/exts/help_channels/_channel.py b/bot/exts/help_channels/_channel.py
index ff9e6a347..ea7d972b5 100644
--- a/bot/exts/help_channels/_channel.py
+++ b/bot/exts/help_channels/_channel.py
@@ -182,9 +182,10 @@ async def ensure_cached_claimant(channel: discord.TextChannel) -> None:
             if _message._match_bot_embed(message, _message.DORMANT_MSG):
                 log.info("Hit the dormant message embed before finding a claimant in %s (%d).", channel, channel.id)
                 break
-            user_id = CLAIMED_BY_RE.match(message.embeds[0].description).group("user_id")
-            await _caches.claimants.set(channel.id, int(user_id))
-            return
+            # Only set the claimant if the first embed matches the claimed channel embed regex
+            if match := CLAIMED_BY_RE.match(message.embeds[0].description):
+                await _caches.claimants.set(channel.id, int(match.group("user_id")))
+                return
 
     await bot.instance.get_channel(constants.Channels.helpers).send(
         f"I couldn't find a claimant for {channel.mention} in that last 1000 messages. "