commit bb08db4010a45bcd96f6aaf47dbaed5a1c2b3729
author Steve Dower <steve.dower@microsoft.com> Sat Nov 19 21:14:27 2016 -0800
committer Steve Dower <steve.dower@microsoft.com> Sat Nov 19 21:14:27 2016 -0800
tree b7ae328f72fc790772275ca8aa4c4b1b2564b077
parent eccaa0679dfd8f23473b3370b74be4af1b5fec44

Fixes empty tuple case.

Lib/os.py

diff --git a/Lib/os.py b/Lib/os.py
index a704fb2..fa06f39 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -834,7 +834,7 @@
         # 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: