diff -r 58d39c7865e5 -r 9d3721552b6c mercurial/utils/urlutil.py
--- a/mercurial/utils/urlutil.py	Wed Nov 08 01:58:16 2023 +0100
+++ b/mercurial/utils/urlutil.py	Wed Dec 20 12:51:20 2023 +0100
@@ -8,6 +8,10 @@
 import re as remod
 import socket
 
+from typing import (
+    Union,
+)
+
 from ..i18n import _
 from .. import (
     encoding,
@@ -24,11 +28,8 @@
     constants as revlog_constants,
 )
 
-
-if pycompat.TYPE_CHECKING:
-    from typing import (
-        Union,
-    )
+# keeps pyflakes happy
+assert [Union]
 
 urlreq = urllibcompat.urlreq