~48 hours later 3.10 is still not available:
$ curl -sSf --retry 5 -o python-3.10.tar.bz2 ${archive_url}
curl: (22) The requested URL returned error: 404
Unable to download 3.10 archive. The archive may not exist. Please consider a different version.
https://app.travis-ci.com/github/hugovk/test/jobs/552522000
Looks like the problem might be here?
sudo env PYTHON_BUILD_ROOT=/opt/pyenv/plugins/python-build \
/opt/pyenv/plugins/python-build/bin/python-build --verbose $VERSION $INSTALL_DEST/$VERSION
python-build: definition not found: 3.10
The command "./bin/compile" exited with 2.
https://app.travis-ci.com/github/travis-ci/cpython-builder/jobs/552320855#L1013