return await func(*args, **kwargs)
        if inspect.isclass(func):
            return await run_in_threadpool(func, *args, **kwargs)
        dunder_call = getattr(func, "__call__", None)  # noqa: B004
        if iscoroutinefunction(dunder_call):
            return await dunder_call(*args, **kwargs)
        return await run_in_threadpool(func, *args, **kwargs)

    return wrapper

    "kw_only": None,
}


# TODO: remove when dropping support for Pydantic < v2.12.3
def asdict(field_info: FieldInfo) -> dict[str, Any]:
    attributes = {}
    for attr in _Attrs:
        value = getattr(field_info, attr, Undefined)
        if value is not Undefined:
            attributes[attr] = value
    return {
        "annotation": field_info.annotation,
        "metadata": field_info.metadata,

                "A path prefix must not end with '/', as the routes will start with '/'"
            )
        else:
            for r in router.routes:
                path = getattr(r, "path")  # noqa: B009
                name = getattr(r, "name", "unknown")
                if path is not None and not path:
                    raise FastAPIError(