From: Benjamin Peterson <benjamin@python.org>
Date: Thu, 2 Mar 2017 08:03:41 +0000 (-0800)
Subject: fix subprocess on Windows (#391)
X-Git-Tag: v3.7.0a1~1238
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb90f261226fc2d4db60a68b53a788e8ae5905cf;p=thirdparty%2FPython%2Fcpython.git

fix subprocess on Windows (#391)
---

diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index 23e9bd328c12..76c340c87970 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -988,7 +988,7 @@ class Popen(object):
                                          int(not close_fds),
                                          creationflags,
                                          env,
-                                         os.fspath(cwd),
+                                         os.fspath(cwd) if cwd is not None else None,
                                          startupinfo)
             finally:
                 # Child is launched. Close the parent's copy of those pipe