From 601115ce92b8dce68679c6fa83ab8bf1c9c7b8a7 Mon Sep 17 00:00:00 2001
From: sobolevn <mail@sobolevn.me>
Date: Thu, 14 Sep 2023 15:53:56 +0300
Subject: [PATCH] gh-109402: Fix `libregrtest` when module matches folder name

---
 Lib/test/libregrtest/findtests.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/test/libregrtest/findtests.py b/Lib/test/libregrtest/findtests.py
index f4a8b9ae26ae65..a8ac53a69e8e8a 100644
--- a/Lib/test/libregrtest/findtests.py
+++ b/Lib/test/libregrtest/findtests.py
@@ -38,7 +38,7 @@ def findtests(*, testdir: StrPath | None = None, exclude=(),
         mod, ext = os.path.splitext(name)
         if (not mod.startswith("test_")) or (mod in exclude):
             continue
-        if mod in split_test_dirs:
+        if mod in split_test_dirs and os.path.isdir(mod):
             subdir = os.path.join(testdir, mod)
             mod = f"{base_mod or 'test'}.{mod}"
             tests.extend(findtests(testdir=subdir, exclude=exclude,