1 files changed, 3 insertions, 2 deletions
diff --git a/Lib/test/script_helper.py b/Lib/test/script_helper.py
index ba446cd69b..10ada6d0d1 100644
--- a/Lib/test/script_helper.py
+++ b/Lib/test/script_helper.py
@@ -59,11 +59,12 @@ def assert_python_failure(*args, **env_vars):
     """
     return _assert_python(False, *args, **env_vars)
 
-def spawn_python(*args):
+def spawn_python(*args, **kw):
     cmd_line = [sys.executable, '-E']
     cmd_line.extend(args)
     return subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
-                            stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+                            stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
+                            **kw)
 
 def kill_python(p):
     p.stdin.close()