mozilla/addon-sdk — pull request #1736 by abougouffa (2014-11-26 23:52:13+00:00)
Title: Fit the PEP-394 standard

Fix activating addon-sdk environment on systems have Python 3
as default interpreter, this fit the PEP-394 standard too
https://www.python.org/dev/peps/pep-0394/