TypeError: '|' not supported between instances of 'type' and '_CallableGenericAlias' #6538

rustpython -V
# Python 3.13.0alpha (heads/master:40acd5529
rustpython -m pip install pytest
cd /tmp
git clone https://github.com/xonsh/xonsh
cd xonsh
pytest

Traceback (most recent call last):
  File "/Users/pc/.local/bin/pytest", line 3, in <module>
    from pytest import console_main
  File "/Users/pc/.local/lib/rustpython3.13/site-packages/pytest/__init__.py", line 8, in <module>
    from _pytest._code import ExceptionInfo
  File "/Users/pc/.local/lib/rustpython3.13/site-packages/_pytest/_code/__init__.py", line 5, in <module>
    from .code import Code
  File "/Users/pc/.local/lib/rustpython3.13/site-packages/_pytest/_code/code.py", line 862, in <module>
    TracebackFilter: TypeAlias = bool | Callable[[ExceptionInfo[BaseException]], Traceback]
TypeError: '|' not supported between instances of 'type' and '_CallableGenericAlias'