What's the problem this feature will solve?

See https://peps.python.org/pep-0668/#motivation for the details.

Describe the solution you'd like

Implement the protections, as described in https://peps.python.org/pep-0668/#specification

Alternative Solutions

N/A

Additional context

See https://peps.python.org/pep-0668/. If there's broader issues here, add to the discussion on https://discuss.python.org/t/10302/

Code of Conduct

• I agree to follow the PSF Code of Conduct.