STINNER Victor <vstin...@python.org> added the comment:

> Posted 
> https://mail.python.org/archives/list/python-...@python.org/thread/4UZJYAZL3NHRAGN5WAMJC4IHAHEXF3QF/
>  to see if anyone else wants to weigh in.

Mark Shannon listed flaws in the PEP 532 and suggest to withdraw this PEP. 
Honestly, I'm open to any solution. But this issue is a concrete regression of 
Python 3.8 with a concrete use case, whereas Mark only lists theoretical 
enhancements.

I would like to fix the regression first. There are users of the PEP 532, we 
cannot simply ignore them, withdraw the PEP and remove the feature immediately 
without warning users.

If someone wants to withdraw the PEP, it has to go through the regular 
deprecation process with a slow transition. Last time we pushed too many 
incompatible changes (Python 2 to Python 3 transition), it was a mess. 
Moreover, I would prefer to have at least one Python release (if not two or 
more) which provides two options, deprecated way and a new better way, to have 
a smooth transition.

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<https://bugs.python.org/issue38500>
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