[New-bugs-announce] [issue39806] different behavior between __ior__ and __or__ in dict made by PEP 584

[Manjusaka]

New submission from Manjusaka <lizheao940510 at gmail.com>:

Hello Guys:

I have tried Python 3.9.0a4, I have an issue: the __ior__ and the __or__ have different behavior

For example:

x={}
y=[(1,2)]

x|=y is right and x=x|y will raise an exception.

I think it's should be better make the same between two magic method ?

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components: C API
messages: 363045
nosy: Manjusaka
priority: normal
severity: normal
status: open
title: different behavior between __ior__ and __or__ in dict made by PEP 584
versions: Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39806>
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