no need to enable_coverage twice on clean
no need to enable_coverage twice on clean

Yelp/venv-update,chriskuehl/pip-faster,Yelp/venv-update,Yelp/pip-faster,Yelp/pip-faster,Yelp/pip-faster,struys/pip-faster,chriskuehl/pip-faster,Yelp/venv-update,struys/pip-faster