* metrics

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>

* using pipenv anyway

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>

* instrument bad failures

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>

* if not

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>