os.writev() does not accept generators (as buffers argument)

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2016-05-14.17:30:43.196>
labels = ['type-bug', 'library']
title = 'os.writev() does not accept generators (as buffers argument)'
updated_at = <Date 2016-05-16.06:10:27.894>
user = 'https://github.com/socketpair'

bugs.python.org fields:

activity = <Date 2016-05-16.06:10:27.894>
actor = 'socketpair'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2016-05-14.17:30:43.196>
creator = 'socketpair'
dependencies = []
files = []
hgrepos = []
issue_num = 27020
keywords = []
message_count = 7.0
messages = ['265536', '265542', '265578', '265579', '265667', '265668', '265669']
nosy_count = 2.0
nosy_names = ['socketpair', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue27020'
versions = ['Python 3.3', 'Python 3.4', 'Python 3.5', 'Python 3.6']