The simplest repro:

>>> typeA[X,**Y]=None>>>A[int, [str]]A[int, [<class'str'>]]

I think that it should be:

>>> typeA[X,**Y]=None>>>A[int, [str]]A[int, [str]]

We already had similar issues in the past:#102637

This happens somewhere inga_repr, I will have a look.

Linked PRs

• gh-105486: Change therepr ofParamSpec list of args inGenericAlias #105488
• [3.12] gh-105486: Change therepr ofParamSpec list of args inGenericAlias (GH-105488) #106297