From 4967146c8d6f68480c5ca4ed73940607dd1d9286 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Sun, 11 Oct 2015 10:03:28 +0200
Subject: [PATCH] Close #25369: Fix test_regrtest without thread support

---
 Lib/test/test_regrtest.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Lib/test/test_regrtest.py b/Lib/test/test_regrtest.py
index 2e33555afec7..0f0069836bab 100644
--- a/Lib/test/test_regrtest.py
+++ b/Lib/test/test_regrtest.py
@@ -7,6 +7,7 @@ Note: test_regrtest cannot be run twice in parallel.
 import argparse
 import faulthandler
 import getopt
+import io
 import os.path
 import platform
 import re
@@ -433,7 +434,9 @@ class ProgramsTestCase(BaseTestCase):
         self.tests = [self.create_test() for index in range(self.NTEST)]
 
         self.python_args = ['-Wd', '-E', '-bb']
-        self.regrtest_args = ['-uall', '-rwW', '--timeout', '3600', '-j4']
+        self.regrtest_args = ['-uall', '-rwW']
+        if hasattr(faulthandler, 'dump_traceback_later'):
+            self.regrtest_args.extend(('--timeout', '3600', '-j4'))
         if sys.platform == 'win32':
             self.regrtest_args.append('-n')
 
-- 
2.47.3