diff -r abcfb4ce132e -r b8da7eed1657 mercurial/hgweb/webutil.py
--- a/mercurial/hgweb/webutil.py	Sat Feb 15 14:11:43 2025 +0100
+++ b/mercurial/hgweb/webutil.py	Sat Feb 15 15:20:33 2025 +0100
@@ -12,7 +12,6 @@
 import difflib
 import os
 import re
-import typing
 
 from ..i18n import _
 from ..node import hex, short
@@ -44,16 +43,7 @@
 
 from ..utils import stringutil
 
-if typing.TYPE_CHECKING:
-    from typing import (
-        Optional,
-    )
-
-    ArchiveSpecT = tuple[bytes, bytes, bytes, Optional[bytes]]
-    """Tuple of (mime-type, archive-type, file extension, encoding)"""
-
-
-archivespecs: util.sortdict[bytes, ArchiveSpecT] = util.sortdict(
+archivespecs = util.sortdict(
     (
         (b'zip', (b'application/zip', b'zip', b'.zip', None)),
         (b'gz', (b'application/x-gzip', b'tgz', b'.tar.gz', None)),