From: Steve Dower <steve.dower@microsoft.com>
Date: Sun, 20 Nov 2016 05:14:27 +0000 (-0800)
Subject: Fixes empty tuple case.
X-Git-Tag: v3.6.0b4~48
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bb08db4010a45bcd96f6aaf47dbaed5a1c2b3729;p=thirdparty%2FPython%2Fcpython.git

Fixes empty tuple case.
---

diff --git a/Lib/os.py b/Lib/os.py
index a704fb218c3a..fa06f3937ba5 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -834,7 +834,7 @@ if _exists("fork") and not _exists("spawnv") and _exists("execv"):
         # Internal helper; func is the exec*() function to use
         if not isinstance(args, (tuple, list)):
             raise TypeError('argv must be a tuple or a list')
-        if not args[0]:
+        if not args or not args[0]:
             raise ValueError('argv first element cannot be empty')
         pid = fork()
         if not pid: