5 # Use Ubuntu Xenial (16.04 LTS) environment.
17 env: TOX_ENV="py36-{generator,noaccel,accel-nix,streams,functional}"
19 env: TOX_ENV="py37-{generator,noaccel,accel-nix,streams,functional}"
21 env: TOX_ENV="py38-{generator,noaccel,accel-nix,streams,functional}"