Misc. ruff fixes.

scripts/release.py

@@ -188,10 +188,12 @@ def main() -> None:
 
         zips = find_releasable_zips()
         if not zips:
-            raise FileNotFoundError(
+            print(
                 "No clean-versioned ZIPs found in build/.\n"
-                "Run scripts/winbuild.py first."
+                "Run scripts/guibuild.py first.",
+                file=sys.stderr,
             )
+            sys.exit(1)
 
         # Validate all dist files exist before touching Gitea
         dist_files: dict[str, list[Path]] = {}

scripts/rtorrent-manager.py

@@ -86,8 +86,7 @@ def parse_torrent(filepath: Path) -> TorrentInfo | None:
 
     """
     try:
-        with Path(filepath).open("rb") as f:
-            data = bencodepy.decode(f.read())
+        data = bencodepy.decode(Path(filepath).read_bytes())
     except (OSError, ValueError, TypeError) as e:
         print(f"Error parsing {filepath}: {e}")
         return None