https://github.com/rrthomas/psutils/pull/90

From bd1f8cbe00ad7b303ed861976caf2885835029b4 Mon Sep 17 00:00:00 2001
From: Alfred Wingate <parona@protonmail.com>
Date: Wed, 29 Apr 2026 10:08:51 +0300
Subject: [PATCH] testutils: Accomodate to argparse changes in python 3.14

See-Also: https://github.com/python/cpython/issues/66436
Signed-off-by: Alfred Wingate <parona@protonmail.com>
--- a/tests/testutils.py
+++ b/tests/testutils.py
@@ -144,7 +144,7 @@ def file_test(
     with chdir(datafiles):
         correct_output = True
         if case.error is None:
-            with patch("sys.argv", patched_argv):
+            with patch("sys.argv", patched_argv), patch.object(sys.modules['__main__'], '__spec__', None):
                 function(full_args)
             if regenerate_expected:
                 shutil.copyfile(output_file, expected_file.with_suffix(file_type))
@@ -160,7 +160,7 @@ def file_test(
                 )
         else:
             with pytest.raises(SystemExit) as e:
-                with patch("sys.argv", patched_argv):
+                with patch("sys.argv", patched_argv), patch.object(sys.modules['__main__'], '__spec__', None):
                     function(full_args)
             assert e.value.code == case.error
         if regenerate_expected: