# Crash report ### What happened? ```python from typing import TypeVar TypeVar(name="Handler") ``` Good: 3.11.X Bad: 3.12.0 Downstream issue: https://github.com/jfhbrook/pyee/issues/134 ### CPython versions tested on: 3.12 ### Operating systems tested on: Linux, macOS ### Output from running 'python -VV' on the command line: Python 3.12.0 (main, Oct 12 2023, 00:42:11) [GCC 12.2.0] <!-- gh-linked-prs --> ### Linked PRs * gh-110784 * gh-110787 <!-- /gh-linked-prs -->