not moving to 3.4 yet because 1) we don't yet have setuptools-rust
which looks like it needs a pip update (which becomes py3 only),
and 2) we still have some py2 users of pyca:
devel/py-twisted 2+3 (2 is only used by telepathy-logger)
mail/mailpile 2-only
security/py-openssl 2+3 (2 is only used by yubiserve, py-twisted)
security/py-paramiko 2+3 (2 used by several)
security/py-service_identity 2+3 (2 is only used by py-twisted)
security/py-axolotl 2+3, 2 not used
www/py-http_ece 2+3, 2 not used
www/py-jwt 2+3, 2 not used
32155c07c0