From 3b9d10b0316cdc2679ccad80563b7c7da3951388 Mon Sep 17 00:00:00 2001
From: Alex Waygood <Alex.Waygood@Gmail.com>
Date: Thu, 14 Sep 2023 19:33:18 +0100
Subject: gh-109413: libregrtest: Add and improve type annotations (#109405)

---
 Lib/test/libregrtest/utils.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'Lib/test/libregrtest/utils.py')

diff --git a/Lib/test/libregrtest/utils.py b/Lib/test/libregrtest/utils.py
index 880cec5cc50..2f3bc3c6019 100644
--- a/Lib/test/libregrtest/utils.py
+++ b/Lib/test/libregrtest/utils.py
@@ -10,6 +10,7 @@ import sys
 import sysconfig
 import tempfile
 import textwrap
+from collections.abc import Callable
 
 from test import support
 from test.support import os_helper
@@ -67,7 +68,7 @@ def format_duration(seconds):
     return ' '.join(parts)
 
 
-def strip_py_suffix(names: list[str]):
+def strip_py_suffix(names: list[str] | None) -> None:
     if not names:
         return
     for idx, name in enumerate(names):
@@ -441,6 +442,7 @@ def remove_testfn(test_name: TestName, verbose: int) -> None:
     if not os.path.exists(name):
         return
 
+    nuker: Callable[[str], None]
     if os.path.isdir(name):
         import shutil
         kind, nuker = "directory", shutil.rmtree
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