As a result of improved testing and a hiccup in which 0.10.0 and 0.10.1 didn't support BSD, the latest release features better support for BSD in general and specifically also tests against 12.1-RELEASE
Add python as a secondary (virtual) category
Ports SHOULD use MASTER_SITES=CHEESESHOP if a Python package is registered on PyPI, unless there is a compelling (temporary) case not to.
Package provides files in shared (common) locations , and must be made concurrent safe (USE_PYTHON=concurrent)
Shouldn't need this with/after USE_PYTHON=concurrent
Add TEST_DEPENDS (pytest) and test (do-test) target if/when a package provides them
Directly invoke pytest (not tox)