From d21246e1e22a954c04e01bc70b96d0ed7d7416b7 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Fri, 22 May 2026 14:47:10 +0200
Subject: [PATCH] gh-149879: Fix test__locale on Cygwin

On Cygwin with the LC_TIME locale "ja_JP", nl_langinfo(ALT_DIGITS)
returns 101 items instead of 100.
---
 Lib/test/test__locale.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Lib/test/test__locale.py b/Lib/test/test__locale.py
index 11b2c9545a1b43d..29a29ca0c650974 100644
--- a/Lib/test/test__locale.py
+++ b/Lib/test/test__locale.py
@@ -89,6 +89,9 @@ def accept(loc):
     'ar_AE': (100, {0: '\u0660', 10: '\u0661\u0660', 99: '\u0669\u0669'}),
     'bn_IN': (100, {0: '\u09e6', 10: '\u09e7\u09e6', 99: '\u09ef\u09ef'}),
 }
+if sys.platform == 'cygwin':
+    count, samples = known_alt_digits['ja_JP']
+    known_alt_digits['ja_JP'] = (101, samples)
 
 known_era = {
     'C': (0, ''),