py$(PYV) create: $(@D)/.tox/py$(PYV)
py$(PYV) run-test: commands[0] | python -m testtools.run discover
$(PYTHON_DIR)/runpy.py:125: RuntimeWarning: 'testtools.run' found in sys.modules after import of package 'testtools', but prior to execution of 'testtools.run'; this may result in unpredictable behaviour
  warn(RuntimeWarning(msg))
Tests running...

Ran 101 tests
OK
___________________________________ summary ____________________________________
  py$(PYV): commands succeeded
  congratulations :)