configparser.write() does not save comments.

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2018-05-13.10:26:00.104>
labels = ['extension-modules', 'type-bug']
title = 'configparser.write() does not save comments.'
updated_at = <Date 2018-05-14.09:43:38.555>
user = 'https://github.com/pebaudhi'

bugs.python.org fields:

activity = <Date 2018-05-14.09:43:38.555>
actor = 'martin.panter'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Extension Modules']
creation = <Date 2018-05-13.10:26:00.104>
creator = 'pebaudhi'
dependencies = []
files = []
hgrepos = []
issue_num = 33481
keywords = []
message_count = 2.0
messages = ['316457', '316497']
nosy_count = 3.0
nosy_names = ['lukasz.langa', 'martin.panter', 'pebaudhi']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue33481'
versions = ['Python 3.6']