[issue44098] Remove ParamSpec from __parameters__ of most typing generics

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

I am writing a patch which generalizes and significantly simplifies the code for type variables and parameter specifications substitution, and opens a way for more runtime validation. But it is incompatible with these changes.

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<https://bugs.python.org/issue44098>
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