Python-3.10.0a1 is available, it would be awesome to be able to use it.

Today I can work around like so:

pushd ~/.poetry/lib/poetry/_vendor/
ln -s py3.9 py3.10

IIRC from 3.9, following needs to be done:

• change in code to add vendored deps for 3.10
• change in the test matrix to include 3.10 (ci: add support for python 3.10 experimental builds #3842)
• change in the release script to build against 3.10 (some platforms?