# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 2018-02-11 23:58:31
# Node ID bff95b002e33652a3b69f3fb7319ce7df5d75b30
# Parent  c33a99506e13fb5278f040d5ce56cdc09c8fa5b6

py3: open patches.queue in binary mode

And switch to using the context manager form of open() while we're
here.

Differential Revision: https://phab.mercurial-scm.org/D2153

diff --git a/hgext/mq.py b/hgext/mq.py
--- a/hgext/mq.py
+++ b/hgext/mq.py
@@ -445,9 +445,9 @@ class queue(object):
     def __init__(self, ui, baseui, path, patchdir=None):
         self.basepath = path
         try:
-            fh = open(os.path.join(path, 'patches.queue'))
-            cur = fh.read().rstrip()
-            fh.close()
+            with open(os.path.join(path, 'patches.queue'), r'rb') as fh:
+                cur = fh.read().rstrip()
+
             if not cur:
                 curpath = os.path.join(path, 'patches')
             else: