[New-bugs-announce] [issue35280] Interactive shell overwrites history

[dingens]

New submission from dingens <m at qjym.de>:

When opening two shells at the same time, history from the one that is closed first gets lost.

Steps to reproduce:
- let's call the contents of the history before this experiment `z`
- open two interactive shells called A and B
- execute commands in them, say `a` and `b`, respectively
- close shell A
- close shell B

Actual behavior:
- history contains `z` then `b`

Expected behavior:
- history contains `z` then `a` then `b`

possibly related: issue22940

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messages: 330103
nosy: dingens
priority: normal
severity: normal
status: open
title: Interactive shell overwrites history
type: behavior
versions: Python 3.6

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35280>
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