# HG changeset patch
# User Matt Harbison <matt_harbison@yahoo.com>
# Date 2024-07-19 00:16:31
# Node ID f841de63a5aa9996c71a5a12cb2e81c2db8845b9
# Parent  f3b34386d3e07ccedd11e585e7053ca7a359546d

typing: add type hints to `i18n._msgcache`

Since 10db46e128d4, pytype stopped inferring that the key is bytes.

diff --git a/mercurial/i18n.py b/mercurial/i18n.py
--- a/mercurial/i18n.py
+++ b/mercurial/i18n.py
@@ -12,6 +12,7 @@ import os
 import sys
 
 from typing import (
+    Dict,
     List,
 )
 
@@ -61,7 +62,9 @@ except AttributeError:
     _ugettext = t.gettext
 
 
-_msgcache = {}  # encoding: {message: translation}
+_msgcache: Dict[
+    bytes, Dict[bytes, bytes]
+] = {}  # encoding: {message: translation}
 
 
 def gettext(message: bytes) -> bytes: