Interactive shell overwrites history

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2018-11-19.15:20:29.996>
labels = ['type-bug']
title = 'Interactive shell overwrites history'
updated_at = <Date 2018-11-19.15:20:29.996>
user = 'https://bugs.python.org/dingens'

bugs.python.org fields:

activity = <Date 2018-11-19.15:20:29.996>
actor = 'dingens'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = []
creation = <Date 2018-11-19.15:20:29.996>
creator = 'dingens'
dependencies = []
files = []
hgrepos = []
issue_num = 35280
keywords = []
message_count = 1.0
messages = ['330103']
nosy_count = 1.0
nosy_names = ['dingens']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue35280'
versions = ['Python 3.6']