$ echo '{**{},}' | ruff --isolated check --select PIE800 - --diff

error: Fix introduced a syntax error. Reverting all changes.

This indicates a bug in Ruff. If you could open an issue at:

    https://github.com/astral-sh/ruff/issues/new?title=%5BFix%20error%5D

...quoting the contents of `-`, the rule codes PIE800, along with the `pyproject.toml` settings and executed command, we'd be very appreciative!