Comment 2 for bug 1814288

Reviewed: https://review.opendev.org/682518
Committed: https://git.openstack.org/cgit/x/sqlalchemy-migrate/commit/?id=5d1f322542cd8eb42381612765be4ed9ca8105ec
Submitter: Zuul
Branch: master

commit 5d1f322542cd8eb42381612765be4ed9ca8105ec
Author: Sean Mooney <email address hidden>
Date: Tue Sep 17 02:05:19 2019 +0100

    remove inspect.getargspec deprecation warning

    In python 3 inspect.getargspec is deprecated and
    replaced with inspect.getfullargspec which does not
    exist on python 2.7. This change uses six to select
    the correct version to use based on the python version
    used.

    Change-Id: I234a3509ff850d0c5616ebcfa240212b03db9e76
    Closes-Bug: #1814288