# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 1518387507 28800
# Node ID a5cf79755eff37cb70d24a24a35a18c8866fb385
# Parent  04984f2e50ae53840f8628ca203f03000f4de222
py3: open temporary file in binary mode

Otherwise things fail later when we write bytes to the handle.

Differential Revision: https://phab.mercurial-scm.org/D2148

diff -r 04984f2e50ae -r a5cf79755eff mercurial/patch.py
--- a/mercurial/patch.py	Sun Feb 11 14:17:23 2018 -0800
+++ b/mercurial/patch.py	Sun Feb 11 14:18:27 2018 -0800
@@ -215,7 +215,7 @@
 
     data = {}
     fd, tmpname = tempfile.mkstemp(prefix='hg-patch-')
-    tmpfp = os.fdopen(fd, pycompat.sysstr('w'))
+    tmpfp = os.fdopen(fd, pycompat.sysstr('wb'))
     try:
         msg = pycompat.emailparser().parse(fileobj)