I don't think this is true. There are fairly strong voices on both sides inside the community, at this time it's pretty uncertain.

To quote Guido:

>Let’s not blow it this time. If we’re going forward with nogil (and I’m not saying we are, but I can’t exclude it), let’s make sure there is a way to be able to import extensions requiring the GIL in a nogil interpreter without any additional shenanigans

https://discuss.python.org/t/pep-703-making-the-global-inter...