subprocess uses wrong encoding on Windows #71366

assignee = 'https://github.com/zooba'
closed_at = <Date 2016-09-05.23:24:48.318>
created_at = <Date 2016-06-02.00:52:46.242>
labels = ['expert-unicode', 'type-bug', 'library', 'expert-IO', 'OS-windows']
title = 'subprocess uses wrong encoding on Windows'
updated_at = <Date 2016-09-05.23:24:48.316>
user = 'https://github.com/davispuh'

activity = <Date 2016-09-05.23:24:48.316>
actor = 'steve.dower'
assignee = 'steve.dower'
closed = True
closed_date = <Date 2016-09-05.23:24:48.318>
closer = 'steve.dower'
components = ['Library (Lib)', 'Unicode', 'Windows', 'IO']
creation = <Date 2016-06-02.00:52:46.242>
creator = 'davispuh'
dependencies = []
files = ['43100', '43101', '43183', '43316']
hgrepos = []
issue_num = 27179
keywords = ['patch']
message_count = 27.0
messages = ['266852', '266853', '266854', '266860', '266864', '266872', '266873', '266875', '266890', '266977', '267024', '267025', '267091', '267221', '267222', '267246', '267258', '267260', '267270', '267310', '267424', '267946', '274323', '274325', '274328', '274331', '274466']
nosy_count = 9.0
nosy_names = ['paul.moore', 'vstinner', 'tim.golden', 'ezio.melotti', 'martin.panter', 'zach.ware', 'eryksun', 'steve.dower', 'davispuh']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = 'resolved'
status = 'closed'
superseder = '6135'
type = 'behavior'
url = 'https://bugs.python.org/issue27179'
versions = ['Python 3.5', 'Python 3.6']