# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1529225952 -32400
# Node ID 2c1d983872f6049c73be18d5d9da938b1d61f8fd
# Parent  b8f45fc27370dc7df283c47f71927c10462197fb
py3: open extension source in binary mode to read docstring as bytes

diff -r b8f45fc27370 -r 2c1d983872f6 mercurial/extensions.py
--- a/mercurial/extensions.py	Wed Jun 13 16:22:54 2018 +0530
+++ b/mercurial/extensions.py	Sun Jun 17 17:59:12 2018 +0900
@@ -605,7 +605,7 @@
 def _disabledhelp(path):
     '''retrieve help synopsis of a disabled extension (without importing)'''
     try:
-        file = open(path)
+        file = open(path, 'rb')
     except IOError:
         return
     else: