From c252c5964c076071bfc20f8c4dfe70a79dba57aa Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Sat, 8 Oct 2005 20:04:35 +0000
Subject: [PATCH] Fix unit test failure -- the output received from Python can
 be empty, but verify_valid_flag() wasn't expecting that.  Will backport.

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

diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py
index fc0c2d2c31b..a4a78f59763 100644
--- a/Lib/test/test_cmd_line.py
+++ b/Lib/test/test_cmd_line.py
@@ -17,7 +17,7 @@ class CmdLineTest(unittest.TestCase):
 
     def verify_valid_flag(self, cmd_line):
         data = self.start_python(cmd_line)
-        self.assertTrue(data.endswith('\n'))
+        self.assertTrue(data == '' or data.endswith('\n'))
         self.assertTrue('Traceback' not in data)
 
     def test_environment(self):