Improve pickle format for timezone aware datetime instances #53297

assignee = 'https://github.com/abalkin'
closed_at = <Date 2017-03-06.17:30:07.984>
created_at = <Date 2010-06-21.20:15:07.758>
labels = ['type-feature']
title = 'Improve pickle format for timezone aware datetime instances'
updated_at = <Date 2017-03-06.17:30:07.973>
user = 'https://github.com/abalkin'

activity = <Date 2017-03-06.17:30:07.973>
actor = 'belopolsky'
assignee = 'belopolsky'
closed = True
closed_date = <Date 2017-03-06.17:30:07.984>
closer = 'belopolsky'
components = []
creation = <Date 2010-06-21.20:15:07.758>
creator = 'belopolsky'
dependencies = ['9183']
files = ['17739', '35804', '40852']
hgrepos = []
issue_num = 9051
keywords = ['patch']
message_count = 19.0
messages = ['108313', '108408', '108492', '108608', '108611', '108619', '221920', '221933', '221934', '221935', '221936', '251342', '251668', '251677', '251812', '251814', '253402', '254721', '254724']
nosy_count = 10.0
nosy_names = ['tim.peters', 'fdrake', 'mark.dickinson', 'belopolsky', 'pitrou', 'vstinner', 'alexandre.vassalotti', 'ned.deily', 'python-dev', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = 'rejected'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue9051'
versions = ['Python 3.6']