--- a/hgext/phabricator.py	Sat Feb 15 14:11:43 2025 +0100
+++ b/hgext/phabricator.py	Sat Feb 15 15:20:33 2025 +0100
@@ -1691,7 +1691,7 @@
 
 # Map from "hg:meta" keys to header understood by "hg import". The order is
 # consistent with "hg export" output.
-_metanamemap: util.sortdict[bytes, bytes] = util.sortdict(
+_metanamemap = util.sortdict(
     [
         (b'user', b'User'),
         (b'date', b'Date'),

--- a/mercurial/bundle2.py	Sat Feb 15 14:11:43 2025 +0100
+++ b/mercurial/bundle2.py	Sat Feb 15 15:20:33 2025 +0100
@@ -869,9 +869,7 @@
             params = self._processallparams(params)
         return params
 
-    def _processallparams(
-        self, paramsblock: bytes
-    ) -> util.sortdict[bytes, bytes]:
+    def _processallparams(self, paramsblock):
         """ """
         params = util.sortdict()
         for p in paramsblock.split(b' '):

--- 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)),