[3.13] gh-124498: Fix `TypeAliasType` not to be generic, when `type_params=()` (GH-124499)#124603

Yhg1s merged 1 commit intopython:3.13python/cpython:3.13from

miss-islington:backport-abe5f79-3.13miss-islington/cpython:backport-abe5f79-3.13Copy head branch name to clipboard