fix: Missing groupby on topvoice query

src/modules/yarn/cog.py

@@ -97,6 +97,7 @@ class YarnCog(LionCog):
                 total_time="SUM(COALESCE(duration, EXTRACT(EPOCH FROM (NOW() - joined_at))))",
             )
             .order_by("total_time", ORDER.DESC)
+            .group_by("userid")
             .with_no_adapter()
         )
         leaderboard = [(row["userid"], row["total_time"]) for row in await query]