From 4f9a8d075ee52b8f56aca14102c8bf9fd6f3c512 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C5=81ukasz=20Langa?= <lukasz@langa.pl>
Date: Mon, 5 Jan 2026 18:00:48 +0100
Subject: [PATCH] gh-69605: In test_pyrepl.test_already_imported*, invalidate
 FS import caches (#143436)

This makes the test robust against file systems with low timestamp resolution, which otherwise would fail to re-import in the tight loop of the test.
---
 Lib/test/test_pyrepl/test_pyrepl.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Lib/test/test_pyrepl/test_pyrepl.py b/Lib/test/test_pyrepl/test_pyrepl.py
index 961787b6f905..baf03ef6cd95 100644
--- a/Lib/test/test_pyrepl/test_pyrepl.py
+++ b/Lib/test/test_pyrepl/test_pyrepl.py
@@ -1192,6 +1192,7 @@ class TestPyReplModuleCompleter(TestCase):
                 (dir1 / mod).mkdir()
                 (dir1 / mod / "__init__.py").touch()
                 (dir1 / mod / "foo.py").touch()
+                pkgutil.get_importer(_dir1).invalidate_caches()
                 module = importlib.import_module(mod)
                 assert module.__spec__
                 if mod == "no_origin":
-- 
2.47.3