errors raised by bytes() and bytearray() for invalid size argument

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2017-03-17.20:33:15.921>
labels = ['interpreter-core', 'type-feature', '3.7']
title = 'errors raised by bytes() and bytearray() for invalid size argument'
updated_at = <Date 2017-03-24.20:47:05.648>
user = 'https://github.com/orenmn'

bugs.python.org fields:

activity = <Date 2017-03-24.20:47:05.648>
actor = 'terry.reedy'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Interpreter Core']
creation = <Date 2017-03-17.20:33:15.921>
creator = 'Oren Milman'
dependencies = []
files = []
hgrepos = []
issue_num = 29841
keywords = []
message_count = 2.0
messages = ['289783', '289785']
nosy_count = 3.0
nosy_names = ['vstinner', 'serhiy.storchaka', 'Oren Milman']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'test needed'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue29841'
versions = ['Python 3.7']