mypyc crashes when working on ParamSpec.kwargs #18784

from __future__ import annotations

from typing import Any, Callable, ParamSpec, TypeVar

PARAM = ParamSpec("PARAM")
RET = TypeVar("RET")


def decorator() -> Callable[[Callable[PARAM, RET]], Callable[PARAM, RET]]:
    def _wrapper(function: Callable[PARAM, RET]) -> Callable[PARAM, RET]:
        def _inner(*args: PARAM.args, **kwargs: PARAM.kwargs) -> Any:
            data = {key: arg for key, arg in kwargs.items()}
            function(*args, **kwargs)

        return _inner

    return _wrapper