Fix outdated pandas syntax

app.py

@@ -90,7 +90,10 @@ def _load_stats() -> None:
             token=RATINGS_APP_TOKEN,
         ))
         in_pool = disputed_df["md5a"].isin(_md5_to_idx) & disputed_df["md5b"].isin(_md5_to_idx)
-        unserved = [frozenset(pair) not in retired for pair in zip(disputed_df["md5a"], disputed_df["md5b"])]
+        unserved = pd.Series(
+            [frozenset(pair) not in retired for pair in zip(disputed_df["md5a"], disputed_df["md5b"])],
+            index=disputed_df.index,
+        )
         # ascending sort so list.pop() serves the highest-margin (most suspect) pair first
         disputed_df = disputed_df[in_pool & unserved].sort_values("margin")
         _disputed_queues = {group: list(zip(sub["md5a"], sub["md5b"])) for group, sub in disputed_df.groupby("group")}