DataDog/dd-agent — pull request #1237 by LotharSee (2014-12-08 13:32:50+00:00)
Title: Use local-only modules in venv

Add `--no-site-packages` flag to `setup_env` Rake task so that Python from the venv isn't going to use Python module from the system.
It should avoid some sneaky situations, and help contributors to run tests by themselves.