In the sentence starting with Types whose methods need access to their module instance will be converted to heap types[...] please emphasize (bold!) "whose methods need access to their module instance". Also emphasize this paragraph: "Static types that do not need module state access, and have no other reason to be converted, should stay static." I hadn't noticed the qualification in the first sentence and had assumed all types were to be converted, until I came across the second at the very end of the section (where it is easily overlooked by lazy readers :-). On Mon, Apr 11, 2022 at 6:33 AM Petr Viktorin wrote:

Hello, Please provide any feedback you might have on PEP 687 – Isolating modules in the standard library: https://peps.python.org/pep-0687/

From recent discussions around “what should have a PEP”, it’s clear that this should have been a PEP long ago. Better late than never, I guess!

We submit this PEP to explain the changes, seek consensus on whether they are good, propose the remaining changes, and set best practices for new modules.

There's a discussion thread on Discourse:

https://discuss.python.org/t/pep-687-isolating-modules-in-the-standard-libra...

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