Comment 6 for bug 1368661

Reviewed: https://review.openstack.org/220773
Committed: https://git.openstack.org/cgit/openstack/magnum/commit/?id=d6efb3221e371e3a3a31edeba64db6f26606025a
Submitter: Jenkins
Branch: master

commit d6efb3221e371e3a3a31edeba64db6f26606025a
Author: Eli Qiao <email address hidden>
Date: Sun Sep 6 11:36:16 2015 +0800

    tox: rm all pyc before doing unit test

    Delete python bytecode before every test run.

    Because python creates pyc files during tox runs, certain
    changes in the tree, like deletes of files, or switching
    branches, can create spurious errors.

    Closes-Bug: #1368661
    Change-Id: I7e563875848acc7ec767f97b31fc8a95b23ee880