Several classes in typing.py pass around an attribute called `_paramspec_tvars`, but nothing depends on its value. It was added in b2f3f8e3d81 by @Fidget-Spinner to enforce some behavior around ParamSpec, but since then we have apparently loosened that behavior. Let's just remove the attribute. <!-- gh-linked-prs --> ### Linked PRs * gh-104393 <!-- /gh-linked-prs -->