conftest.py

"""Pytest configuration file.

This is a bit of a, ahem, alternative way of allowing testpy to find the main
module, without having to go into your virtualenv or dealing with setup.py
first. This is because pytest makes the dir this file is in the root.

What this file is actually for is per-directory fixture scopes:
http://doc.pytest.org/en/latest/example/simple.html#package-directory-level-fixtures-setups
"""