datetime.strptime creates tz naive object from value containing a tzname

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2018-01-05.12:24:22.324>
labels = ['3.7', 'type-feature', 'library']
title = 'datetime.strptime creates tz naive object from value containing a tzname'
updated_at = <Date 2018-01-05.17:13:13.029>
user = 'https://github.com/akeeman'

bugs.python.org fields:

activity = <Date 2018-01-05.17:13:13.029>
actor = 'p-ganssle'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2018-01-05.12:24:22.324>
creator = 'akeeman'
dependencies = []
files = []
hgrepos = []
issue_num = 32497
keywords = ['patch']
message_count = 4.0
messages = ['309502', '309509', '309511', '309512']
nosy_count = 3.0
nosy_names = ['belopolsky', 'p-ganssle', 'akeeman']
pr_nums = ['5106']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue32497'
versions = ['Python 3.7']